Skip to main content

Crystal Quartz Earrings

2
to
62
272
224
520
145
73
42
13
12
11
10
10
9
8
7
7
5
5
4
3
3
2
2
2
2
2
2
1
1
1
1
1
1
1
123
19
19
17
16
Sort By
Scalloped Rock Crystal Quartz and 14 Karat Yellow Gold Clip Earrings
Located in Chevy Chase, MD
A simple and fun pair of earrings to wear daily. These scalloped Rock Crystal Quartz earrings will
Category

Late 20th Century American Retro Clip-on Earrings

Materials

Rock Crystal, 14k Gold, Yellow Gold

Yves Saint Laurent Raw Quartz Clip Earrings, 1970S
By Yves Saint Laurent
Located in Scottsdale, AZ
Rare 1970's Yves Saint Laurent rive gauche raw crystal quartz earrings. Large in scale and
Category

Vintage 1970s French Clip-on Earrings

Materials

Quartz, Gold Plate

Modernist Rock Quartz Crystal and Sterling Silver Long Drop Earring
Located in Los Angeles, CA
Modernist Studio Sterling Silver and Natural Rock Quartz Crystal Length 2.75 inches Width of
Category

Mid-20th Century Modernist Drop Earrings

Materials

Crystal, Quartz, Sterling Silver

Peter Suchy 10.21 Carat Quartz Crystal Yellow Gold Dangle Earrings
By Peter Suchy
Located in Stamford, CT
Handmade 14k yellow gold dangle earrings with cabochon rutilated quartz tops and natural precious
Category

21st Century and Contemporary Dangle Earrings

Materials

Crystal, Quartz, Gold, 14k Gold, Yellow Gold

Faye Kim 18 Karat Gold Crystal Quartz and Diamond Leaf Earrings
By Faye Kim
Located in Westport, CT
Faye Kim's handmade 18 Karat Gold Crystal Quartz and Diamond Leaf Earrings feature a faceted leaf
Category

2010s American Contemporary Drop Earrings

Materials

Quartz, Crystal, Diamond, Gold, 18k Gold

.74 Carat Diamond Quartz Crystal Rose Gold Earrings
Located in Stamford, CT
Quartz crystal cabochon earrings in 14k rose gold with a white gold diamond halo and cut out base
Category

21st Century and Contemporary Lever-Back Earrings

Materials

Crystal, Diamond, Quartz, Gold, 14k Gold, Rose Gold

Handcraft Rock Crystal 14 Karat Gold Diamonds Onyx Quartz Stud Earrings
By SCALA GIOIELLI
Located in Marcianise, IT
our artisans assembled with blue and pink quartz,turquoise,onyx,diamonds,rock crystal. Diamonds
Category

21st Century and Contemporary Italian Stud Earrings

Materials

Diamond, Onyx, Quartz, Rock Crystal, Turquoise, Crystal, 14k Gold, Silve...

Rock Crystal Quartz Hearts and Sapphire and Diamond Gold Drop Earrings
Located in Montreal, QC
Simply Beautiful! Finely detailed Rock Crystal Quartz Hearts Dangle Earrings, accented with
Category

Late 20th Century Contemporary Drop Earrings

Materials

Crystal, Diamond, Quartz, Rock Crystal, Sapphire, Gold, 14k Gold, Yellow...

Peter Suchy Transparent Quartz Crystal Rose Gold Dangle Earrings
By Peter Suchy
Located in Stamford, CT
Peter Suchy Transparent Quartz Crystal Rose Gold Dangle Earrings, The settings are handmade in our
Category

2010s Dangle Earrings

Materials

Quartz, Yellow Gold, 18k Gold, Rose Gold

Peter Suchy 105.6 Quartz Crystal Green Tourmaline White Gold Dangle Earrings
By Peter Suchy
Located in Stamford, CT
Quartz crystal dangle earrings with green tourmaline mineral crystal inclusions. Graduated quart
Category

21st Century and Contemporary Dangle Earrings

Materials

Crystal, Quartz, Tourmaline, Gold, 14k Gold, White Gold

Citrine Lemon Quartz, Moonstone, Rock Crystal Sterling Silver/ 18K Gold Earrings
By Lucy Martin
Located in Tuxedo Park, NY
rock crystal. These earrings are designed and made by London jeweler, Lucy Martin. Lucy creates art
Category

2010s British Contemporary Drop Earrings

Materials

Citrine, Moonstone, Quartz, Rock Crystal, 18k Gold, Sterling Silver

Citrine, Lemon Quartz, Moonstone, Rock Crystal Sterling Silver/ 18K Gold Earrings
By Lucy Martin
Located in TUXEDO PARK, NY
rock crystal. These earrings are designed and made by London jeweler, Lucy Martin. Lucy creates art
Category

2010s British Contemporary Drop Earrings

Materials

Citrine, Moonstone, Quartz, Rock Crystal, 18k Gold, Sterling Silver

Rock Crystal Silver Earrings Fantasy Octagon Cut Pure Clear Quartz Gemstone
Located in Berlin, DE
Silver earrings with natural Rock Crystal fantasy octagon cut rock crystal origin - Brazil stone
Category

2010s German Arts and Crafts Lever-Back Earrings

Materials

Crystal, Quartz, Rock Crystal, Silver

Rock Crystal Silver Earrings Fantasy Octagon Cut Pure Clear Quartz Gemstone
Rock Crystal Silver Earrings Fantasy Octagon Cut Pure Clear Quartz Gemstone
Free Shipping
H 0.59 in W 0.24 in D 0.12 in L 0.31 in
Crystal Quartz with Ruby Earrings Set in 18 Karat Gold Settings
Located in Bangkok, TH
Crystal Quartz 3.15 carats with Ruby 2.63 carats Earrings set in 18 Karat Gold Settings Width: 1.3
Category

2010s Thai Clip-on Earrings

Materials

Crystal, Quartz, Ruby, Gold, 18k Gold

Onyx, Crystal Rock and Rutilated Quartz Long Dangle Earrings set in White Gold
By Rosior
Located in Porto, PT
Long Dangle Earrings set in 19.2K White Gold, set with 2 Onyx, 2 Crystal Rock and 2 Rutilated
Category

21st Century and Contemporary Portuguese Contemporary Dangle Earrings

Materials

Crystal, Onyx, Quartz, Gold, White Gold

Peter Suchy 40.66 Carat Rutile Quartz Crystal Rose Gold Dangle Earrings
By Peter Suchy
Located in Stamford, CT
Quartz crystal dangle earrings. Pear slices with copper color bright natural inclusions. 18k rose
Category

21st Century and Contemporary Dangle Earrings

Materials

Quartz, Gold, 18k Gold, Rose Gold

Signature Poise Crystal Quartz & White Topaz 9kt Gold Drop Earrings
Located in London, GB
earrings featuring crystal quartz and white topaz transform the simple hook design into an elegant piece of
Category

2010s British Modern Drop Earrings

Materials

Crystal, Topaz, Gold, 9k Gold, White Gold, Yellow Gold, Mixed Metal

19th century rock crystal and carved smoky quartz demi-parure
Located in Malmö, SE
his unusual and lovely victorian set of faceted rock crystals and carved smoky quartz was made in
Category

Antique Late 19th Century Dangle Earrings

Materials

Crystal, Quartz, Rock Crystal

Art Deco Diamond, Jadeite, Onyx and Rock Quartz Crystal Convertible Earrings
Located in Narberth, PA
cutouts perfectly placed throughout the design. The translucent rock quartz crystal rings reveal a
Category

Vintage 1920s Art Deco Dangle Earrings

Materials

Rock Crystal, Diamond, Jade, Onyx, Platinum

Earrings Clear Quartz & Black Diamonds
Located in Miami, FL
Radiate elegance with these stunning 18kt White Gold Drop Earrings. At their heart, clear quartz
Category

2010s American Contemporary Dangle Earrings

Materials

Black Diamond, Quartz, 14k Gold

Elegant Clover Shape Clear Quartz Button Earrings
By Bijoux Num
Located in Los Angeles, CA
Elegant Clover Shape Clear Quartz Button Earrings These stunning pair of button earrings feature a
Category

2010s American Contemporary Stud Earrings

Materials

Quartz, Topaz, Rock Crystal, Sterling Silver, Platinum, Rhodium

Taj Faux Ruby Crystal Earrings
By Meghna Jewels
Located in Hoffman Estates, IL
quartz stones, faux ruby and sparkling CZ stones overall. Earrings have a post closure for pierced ears
Category

21st Century and Contemporary Victorian Dangle Earrings

Materials

Quartz, Zircon, Crystal, Base Metal

Vintage Cartier Myst Diamond & Quartz Rock Crystal Earrings 18k Yellow Gold
By Cartier
Located in MIAMI, FL
earrings are crafted in 18k yellow gold and feature a domed rock crystal in an oval shape with a triple row
Category

Early 2000s French Retro Clip-on Earrings

Materials

Diamond, Rock Crystal, Crystal, Yellow Gold, 18k Gold

8-1/2 ct. 14K Gold over Silver Crystal Quartz and Prasiolite Drop Earrings
By Affinity Designs LLC
Located in New York, NY
Indulge in the elegance of our Round White Crystal and Round Green Amethyst (Prasiolite) Earrings
Category

2010s Asian Contemporary Drop Earrings

Materials

Crystal, Sterling Silver

Crystal Quartz and Carved Stone Clip Back Earring
By Stephen Dweck
Located in Lyndhurst, NJ
Crystal Quartz and Carved Stone Clip Back Earring Stephen’s heart and passion go into each Dweck
Category

21st Century and Contemporary American Artisan Clip-on Earrings

Crystal Quartz and Carved Stone Clip Back Earring
Crystal Quartz and Carved Stone Clip Back Earring
Free Shipping
H 0.32 in W 1.23 in L 1.54 in
Freesia Sterling Silver Contemporary Earrings by the Artist with Quartz Flower
By Polya Medvedeva Jewellery
Located in Berlin, DE
This contemporary pair of earrings from the Freesia collection features handcrafted quartz flowers
Category

21st Century and Contemporary German Contemporary Stud Earrings

Materials

Crystal, Quartz, Rock Crystal, Silver, Sterling Silver

Yellow Gold-Plated Sterling Silver Contemporary Earrings with Quartz Flower
By Polya Medvedeva Jewellery
Located in Berlin, DE
This contemporary pair of earrings from the Freesia collection features handcrafted quartz flowers
Category

21st Century and Contemporary German Contemporary Stud Earrings

Materials

Crystal, Quartz, Rock Crystal, Yellow Gold, Silver, Sterling Silver, Gol...

Turquoise Crystal Aura Earrings
By Meghna Jewels
Located in Hoffman Estates, IL
The design is ornate and lovely, the striking turquoise stone is enhanced by quartz stones and
Category

21st Century and Contemporary Artisan Drop Earrings

Materials

Crystal, Turquoise, Zircon, Base Metal

Turquoise Crystal Aura Earrings
Turquoise Crystal Aura Earrings
Free Shipping
L 2.75 in
Moi Dew Drop Crystal Ruby and Diamond Earrings
Located in Lawrenceville, GA
Quartz, Natural Crystal Our unmistakable identity, our signature use of artisanal skills that come into
Category

21st Century and Contemporary Indian Drop Earrings

Materials

Crystal, Diamond, Quartz, Ruby, 14k Gold, 22k Gold

Rose Quartz Mother of Pearl Diamond Rose Gold 18 Karat Dangle Earrings
By Natkina
Located in Montreux, CH
GOLD 18K Diamond 4-RND-0,04ct-H/SI1A Diamond 250-RND-1,74ct-H/SI1A Rock Crystal 2-6,24ct Rose
Category

2010s Swiss Modern Drop Earrings

Materials

Diamond, Rock Crystal, Quartz, 18k Gold

White Gold Contemporary Dangle Earrings with Smoky Quartz
By Polya Medvedeva Jewellery
Located in Berlin, DE
quartzes in a rich cognac colour. The overall effect is both chic and elegant, making these earrings
Category

21st Century and Contemporary German Contemporary Dangle Earrings

Materials

Quartz, 14k Gold, Gold, 18k Gold, White Gold

Parineta Faux Rose Quartz Cubic Zircon Earrings
By Meghna Jewels
Located in Hoffman Estates, IL
This gold-tone drop earrings is handcrafted with striking faux pear cut rose quartz and deep
Category

21st Century and Contemporary Modern Dangle Earrings

Materials

Crystal, Zircon, Base Metal

14K Yellow Gold Earrings with Quartz Sakura Flowers
By Polya Medvedeva Jewellery
Located in Berlin, DE
These Sakura cocktail earrings are made of 14 karat yellow gold and feature hand-cut rock crystal
Category

21st Century and Contemporary German Artist Lever-Back Earrings

Materials

Crystal, Quartz, Rock Crystal, 14k Gold, Rose Gold, Gold, 18k Gold, Yell...

Alex Jona Lapis Lazuli Quartz 18 Karat White Gold Drop Earrings
By Alex Jona
Located in Torino, IT
Alex Jona design collection, hand crafted in Italy, 18 Karat white gold, quartz over Lapis Lazuli
Category

2010s Italian Drop Earrings

Materials

Lapis Lazuli, Rock Crystal, Quartz, 18k Gold, White Gold

Alex Jona Lapis Lazuli Quartz 18 Karat White Gold Drop Earrings
Alex Jona Lapis Lazuli Quartz 18 Karat White Gold Drop Earrings
Free Shipping
H 1.86 in W 0.56 in D 0.28 in
Sterling Silver Contemporary Dimensional Dangle Earrings with Green Quartz
By Polya Medvedeva Jewellery
Located in Berlin, DE
featured in Harper's Bazaar UA and Vogue UA publications. These dangle earrings are made of sterling
Category

21st Century and Contemporary German Contemporary Dangle Earrings

Materials

Quartz, Silver, Sterling Silver

Actinolated Quartz and Diamond Drop Earrings in White Gold, 36.37 Carats Total
By Sarosi By Timeless Gems
Located in Los Angeles, CA
shirt, depending on the occasion! They feature clear quartz crystal drops with gorgeous actinolite
Category

21st Century and Contemporary American Artisan Drop Earrings

Materials

Rock Crystal, White Diamond, Quartz, Crystal, Diamond, Gold, 18k Gold, W...

Anansa Quartz and Pearl Glow in the Dark Earring
By Madre Hija Design
Located in Leander, TX
pearls and quartz. At the tip of the earring a large pear shaped quartz crystal stone dangles
Category

21st Century and Contemporary American Artisan Drop Earrings

Materials

Pearl, Quartz

Mirror-Cut Colorless Quartz Diamond Oxidized Silver Earrings, Elizabeth Garvin
By Elizabeth Garvin Fine
Located in Dallas, TX
Prism Facet Drop Earrings hand-fabricated by jewelry maker Elizabeth Garvin in oxidized sterling
Category

2010s American Artist Dangle Earrings

Materials

Crystal, Diamond, White Diamond, Multi-gemstone, Quartz, Rock Crystal, G...

Chic Rose Quartz Mother of Pearl Diamond Rose Gold 18 Karat Dangle Earrings
By Natkina
Located in Montreux, CH
GOLD 18K Diamond 4-RND-0,04ct-H/SI1A Diamond 250-RND-1,74ct-H/SI1A Rock Crystal 2-6,24ct Rose
Category

2010s Swiss Modern Drop Earrings

Materials

Diamond, Quartz, Rock Crystal, 18k Gold

18kt rose gold earrings with diamonds & asymmetric smoky quartz
Located in Milano, IT
. The 18kt Pink Gold Earrings with Rock Crystal asymmetric gems & Natural Diamonds is an everyday piece
Category

2010s Italian Modern Dangle Earrings

Materials

Diamond, Quartz, 18k Gold, Rose Gold

Alex Jona Pink Opal Quartz 18 Karat Brushed Rose Gold Stud Earrings
By Alex Jona
Located in Torino, IT
Alex Jona design collection, hand crafted in Italy, 18 Karat rose gold stud earrings set with a
Category

21st Century and Contemporary Italian Stud Earrings

Materials

Opal, Quartz, Rock Crystal, 18k Gold, Rose Gold

Eighteen Karat Yellow Gold Contemporary Birds Earrings with Quartz by the Artist
By Polya Medvedeva Jewellery
Located in Berlin, DE
These artisan stud earrings, named Perseus, are made of 18 karat yellow gold with quartzes. This
Category

21st Century and Contemporary German Artist Stud Earrings

Materials

Crystal, Quartz, Rock Crystal, Gold, 18k Gold, White Gold, 14k Gold, Yel...

Eighteen Karat Yellow Gold Artisan Earrings with Green Quartzes
By Polya Medvedeva Jewellery
Located in Berlin, DE
artisan earrings are crafted from 18 karat yellow gold and feature deep green lab-grown quartzes measuring
Category

21st Century and Contemporary German Artisan Dangle Earrings

Materials

Quartz, Gold, 18k Gold, Yellow Gold, 14k Gold, Rose Gold, White Gold

Natasha Stambouli 24K GP Amethyst Quartz Long Dangle Cabochon Earrings
Located in Sausalito, CA
These stunning earrings by Natasha Stambouli showcase a haute couture Etruscan revival style design
Category

Vintage 1980s American Dangle Earrings

Materials

Amethyst, Quartz, Aventurine, Gold Plate

Perseus Sterling Silver Stud Earrings with Rock Crystals by the Artist
By Polya Medvedeva Jewellery
Located in Berlin, DE
These Perseus stud earrings are made of sterling silver and feature rock crystals. They have been
Category

21st Century and Contemporary German Artist Stud Earrings

Materials

Crystal, Quartz, Rock Crystal, Silver, Sterling Silver

Eighteen Karat White Gold Earrings by Artist with Blue Quartz
By Polya Medvedeva Jewellery
Located in Berlin, DE
such as rose, lemon, or smoky quartz, black morion, and transparent rock crystals.
Category

21st Century and Contemporary German Contemporary Dangle Earrings

Materials

Quartz, Gold, 18k Gold, White Gold

Syna Yellow Gold Rock Crystal Cushion Earrings
By Syna Jewels
Located in Fort Lee, NJ
11 carat rock crystal settings. Perfect for all occasions, you'll feel regal wearing these earrings
Category

2010s American Contemporary Dangle Earrings

Materials

Crystal, Rock Crystal, 18k Gold, Yellow Gold

Syna Yellow Gold Rock Crystal Cushion Earrings
Syna Yellow Gold Rock Crystal Cushion Earrings
Free Shipping
W 0.44 in L 0.75 in
Lemon Quartz & Diamond Studded Earrings in 14 Karat Yellow Gold
Located in JAIPUR, IN
14 Karat Yellow Gold Earrings studded with Fancy Cut 20.10 Cts (total wt) Lemon Quartz, with
Category

2010s Indian Contemporary Drop Earrings

Materials

Diamond, Quartz, 14k Gold, Yellow Gold

White Gold Contemporary Ink Earrings by Artist with Smoky Quartz
By Polya Medvedeva Jewellery
Located in Berlin, DE
celebrities. The earrings are in 14 karat white gold with 15x15x3 mm size smoky quartzes in cognac colour
Category

21st Century and Contemporary German Contemporary Dangle Earrings

Materials

Quartz, Gold, 14k Gold, 18k Gold, White Gold

Fourteen Karat Gold Contemporary Ink Earrings by Artist with Quartz
By Polya Medvedeva Jewellery
Located in Berlin, DE
celebrities. The pair can be ordered in other colours, such as rose quartz, tear-transparent rock crystal, or
Category

21st Century and Contemporary German Contemporary Dangle Earrings

Materials

Quartz, Gold, 18k Gold, White Gold, 14k Gold

Essex Crystal Polo Horse Gold Earrings, 1900
Located in Herzelia, Tel Aviv
Essex Crystal depicting a Polo game. An earring has a horseshoe shape. Superb detail of the
Category

1990s More Earrings

Materials

Crystal, Gold

Antique 18th Century Minas Novas Rock Crystal Topaz Girandole Earrings Brooch
Located in Lisbon, PT
accented with “Minas Novas” rock crystal quartz and colorless topaz and with green doblets imitating the
Category

Antique 1770s Portuguese Georgian Dangle Earrings

Materials

Crystal, Quartz, Rock Crystal, Topaz, Silver

Jade Pate de Verre and Rose Quartz "Palm Beach" Earrings, MWLC
By Mark Walsh Leslie Chin
Located in New York, NY
rose quartz flower earrings from the "Glass" Collection by Mark Walsh and Leslie Chin. Small crystal in
Category

21st Century and Contemporary French Dangle Earrings

Materials

Quartz, Gilt Metal

Yellow Gold-Plated Sterling Silver Contemporary Earrings with Green Quartzes
By Polya Medvedeva Jewellery
Located in Berlin, DE
colours such as whisky smoky or green quartz, tear-transparent rock crystal, or black morion. The Ink
Category

21st Century and Contemporary German Art Deco Dangle Earrings

Materials

Quartz, Amethyst, Silver, Sterling Silver, Yellow Gold, Gold Plate

White Gold Contemporary Ink Earrings by Artist with Dark Smoky Quartz
By Polya Medvedeva Jewellery
Located in Berlin, DE
pair can be ordered in the other colours, such as rose quartz, tear-transparent rock crystal, or dark
Category

21st Century and Contemporary German Contemporary Dangle Earrings

Materials

Quartz, Gold, 18k Gold, White Gold

Sterling Silver Art Deco Style Earrings by Artist with Green Quartzes
By Polya Medvedeva Jewellery
Located in Berlin, DE
with stunning 15x15x3 mm natural green quartzes. The delicate and tender appearance of these earrings
Category

21st Century and Contemporary German Art Deco Dangle Earrings

Materials

Quartz, Amethyst, Sterling Silver, Silver

Peter Suchy 34.96 Carat Natural Included Crystal White Gold Dangle Earrings
By Peter Suchy
Located in Stamford, CT
Natural clear Quartz crystal square's with mineral inclusions, set in handmade 18k white gold
Category

21st Century and Contemporary Dangle Earrings

Materials

Quartz, Crystal, 18k Gold, White Gold, Gold

Fourteen Karat White Gold Contemporary Earrings by Artist with Green Quartz
By Polya Medvedeva Jewellery
Located in Berlin, DE
smoky quartz, black morion, and transparent rock crystals.
Category

21st Century and Contemporary German Contemporary Dangle Earrings

Materials

Quartz, 14k Gold, White Gold

Eighteen Karat White Gold Perseus Earrings with Rock Crystals by the Artist
By Polya Medvedeva Jewellery
Located in Berlin, DE
These Perseus stud earrings are made of 18 Karat White Gold and feature rock crystals. They have
Category

21st Century and Contemporary German Artist Stud Earrings

Materials

Crystal, Quartz, Rock Crystal, Gold, 18k Gold, White Gold

Eighteen Karat White Gold Earrings with Green Quartzes Featured in Vogue
By Polya Medvedeva Jewellery
Located in Berlin, DE
colours such as whisky smoky or green quartz, tear-transparent rock crystal, or black morion. The Ink
Category

21st Century and Contemporary German Art Deco Dangle Earrings

Materials

Amethyst, Quartz, Gold, 18k Gold, White Gold

  • 1
Get Updated with New Arrivals
Save "Crystal Quartz Earrings", and we’ll notify you when there are new listings in this category.

Crystal Quartz Earrings For Sale on 1stDibs

On 1stDibs, there are many options to choose from in our inventory of crystal quartz earrings. Frequently made of gold, 18k gold and yellow gold, these items were constructed with great care. Our selection of items includes 122 vintage examples as well as 420 contemporary versions. Our collection, which features older pieces for sale from the 18th Century and newer versions made as recently as the 21st Century, has proven very popular over the years. The designs in our inventory of crystal quartz earrings bearing contemporary or Art Deco hallmarks are very popular. Versions of these items have been a part of the life’s work for many jewelers, but those produced by Polya Medvedeva Jewellery, Stephen Webster and Rossella Ugolini are consistently popular. Any of these pieces can lend versatility to your look, but quartz versions, from our inventory of 309, are particularly popular. There are many mixed cut, cabochon and round cut crystal quartz earrings for sale. When shopping our range of crystal quartz earrings, you’ll find that there are less available pieces for men today than there are for women.

How Much are Crystal Quartz Earrings?

On average, crystal quartz earrings at 1stDibs sell for $2,625, while they’re typically $58 on the low end and $200,000 for the highest priced versions of this item.
Questions About Crystal Quartz Earrings
  • 1stDibs ExpertAugust 17, 2021
    Also known as clear quartz, crystal quartz enhances spiritual growth, spirituality and awareness. It is also known to enhance the healing abilities of other crystals.
  • 1stDibs ExpertApril 5, 2022
    To choose a quartz crystal bowl, consider your own personal preferences. Bowls come in a variety of shapes and a range of colors. Determine which ones appeal most to you. In addition, consider how much space you have for your new bowl and look for pieces that are appropriately sized. On 1stDibs, shop a range of quartz crystal bowls.