Continental US Natural Specimens

A beautiful natural Tona galea seashell, Organic Modern style, Indo-Pacific, circa early-20th century. A beautifully preserved Tonna galea seashell in white and warm neutral tones. The exterior shows a refined palette of tan, cream, and soft brown mottling, giving the shell an organic yet architectural presence. Position upright or on its ventral side, as shown in images. Listed measurements based on first and second images. Porcelain Heron...

Tridacna Gigas Clam Shell From The South Pacific. Impressive natural large clam shell specimen from the South Pacific Seas. The vintage clam features intricate detailing on the exter...

Pair of Large Red Sea Fans on 19th-Century Italian Giltwood Bird-Form Bases, 25"H A dramatic pair of large natural red sea fans, each displaying an exceptionally delicate, lace-like...

Fern Fossil Specimen, Extinct Neuropteris species likely, 300 million years old. Discovered in PA. ***NOTE: Our 1stDibs store is closing in May and items will not be available therea...

A stunning set of five neoclassical Grand Tour style solid marble pink & cream obelisks. A favorite of designers, obelisks add a touch of classic decor to traditional or modern inter...

Large Giant Clam Shell Natural Specimen, Tridacna Gigas, Organic Modern Decor. ***NOTE: Our 1stDibs store is closing soon.*** We think though are not sure that the species is Tridac...

A beautifully proportioned brass rimmed malachite bowl in richly veined shades of green and black. The sculptural silhouette and naturally dramatic stone movement give the piece a qu...

Extra Large Jurassic Ammonite Fossil with Leafy Suture Patterns. Comes with a second, tiny (1.25 x 1 x .5) ammonite, further demonstrating the size of this one. ***NOTE: Our 1stDibs...

Totems III by Hasharat – Giant Yellow-Winged Stick Insect and Exotic Beetles in a 19th-Century Glass Dome Totems III by Hasharat is a striking contemporary entomological sculpture t...

A pair of fossil agate coral with a coordinating baroque pearls. Fossil agate coral is Florida's state stone and is known for its unique formation that can take place over 20 millio...

Neuralethopteris/Polymorphopteris Tree Fern Fossil, Paleozoic Era, 300+ million years old. Discovered in PA. ***NOTE: Our 1stDibs store is closing end May and items will not be avail...

Large Mortoniceras Fossil Ammonite Specimen, Organic Modern Style Display Piece. ***NOTE: Our 1stDibs store is closing at end of May and items will not be available thereafter.*** Na...

This authentic 8-inch Spinosaurus tooth fossil on Display Stand presents an extraordinary example of one of the most iconic predators of the Late Cretaceous. To start, it shows the c...

Conlinoceras Tarrantense Ammonite Fossil, 90-100M Years Old, USA. ***NOTE: Our 1stDibs store is closing end May and items will not be available thereafter.*** The Conlinoceras Tarran...

Large Mortoniceras Drakeoceras Ammonite Fossil Specimen, USA. About 110 million years old. ***NOTE: Our 1stDibs store is closing soon and items will not be available thereafter.*** ...

CLEARANCE SALE Crystal Cluster Natural Specimen - Number 1 . ***NOTE: Our 1stDibs store is closing soon and items will not be available thereafter.*** This crystal cluster specime...

An aesthetic specimen of a 19" gem transparent gypsum var. selenite crystal on druzy matrix. The specimen has top quality transparency with a glassy luster and fully terminated cryst...

Decorate your home or office with ancient marine life with this Ammonite and Belemnite Hand-Carved Fossil Container – Natural Decor, measuring 2.25″ x 2.5″. Crafted from fossil-rich ...

Alethopteris & Neuropteris Tree Fern Fossil Specimen, USA, 300 - 360 years old apx. Discovered in Pennsylvania. ***NOTE: Our 1stDibs store is closing end May and items will not b...

A striking pair of polished ammonite fossil specimens, dating to the Jurassic to Early Cretaceous period, approximately 100–150 million years ago. Carefully cut and polished to revea...

This rare authentic Triceratops metatarsal fossil comes from the legendary Hell Creek Formation, one of the most important Late Cretaceous fossil beds in the world. Dating back appro...

7.5" Alethopteris Species Tree Fern Fossil Specimen, apx 305 million yrs old, USA. ***NOTE: Our 1stDibs store is closing end May and items will not be available thereafter.*** This p...

Lovely Assortment of Decorative Shells of all species including Queen, spider conchs, brain and branch coral, all great for decorative use. Small natural losses but overall very nice...

CLEARANCE SALE Crystal Cluster Natural Specimen Number 3 ***NOTE: Our 1stDibs store is closing soon and items will not be available thereafter.*** This crystal cluster specimen...

A striking natural celestite specimen composed of strontium sulfate (SrSO₄), prized for its translucent crystals and characteristic sky-blue coloration. Named from the Latin coelesti...

Natural weathered antique Whale Vertebrae. One section / specimen. Likely 19th century.

A beautifully proportioned brass rimmed malachite bowl in richly veined shades of green and black. The sculptural silhouette and naturally dramatic stone movement give the piece a qu...

This is a rare antique shell of a Sea Turtle but in nice condition with all the shell intact , some marks from its sea life but is a beautiful specimen

Beautiful Atlantic trumpet sea shell professionally mounted on genuine coral base, artistically hand embeded with fantastic crystal quartz stones, to make exceptional piece of art fo...

Polished Ammonite Fossil with Red Flashes, Around 110 Million Years Old, with Beautiful Glowing / Iridescent Flashes of Color and some leafy patterns peaking out. ***NOTE: Our 1stDib...

This exquisite handcrafted Amethyst gem tree brings harmony, beauty, and a touch of natural elegance to any space. Each “branch” is adorned with rich purple polished Amethyst crystal...

Beautiful natural clamshell with cream color patina, professionally clean and mounted on original natural coral base, with some accents of rock Crystal and citrine crystal . Come in ...

This vibrant fluorite on pyrite matrix from Peru immediately captures attention with its rich green color and sharply defined crystal structure. As you explore the specimen, the fluo...

A stunning all-natural jadeite jade bracelet, featuring hefty approximately 18mm beads in a captivating mix of lavender, green, gray, and white hues. Each bead is uniquely colored by...

Beautiful natural clamshell with cream color patina, professionally clean and mounted on original natural coral base, some crystal quartz accents. Great nat...

From Rio Grande do Sul, Brazil An aesthetic specimen of a gem transparent gypsum var. selenite crystal on druzy quartz amethyst matrix. The specimen has top quality transparency with...

Out of a newer pocket in Colombia and sometimes known as naturally-occurring Mango Quartz, Quartz with fibrous Halloysite inclusions is prized by collectors for its often vibrant ora...

Papier mâché small mushroom by Sermel. Hand painted design with overall areas of wear and minimal paint loss. Signed on the underside.

Trilobites, an early arthropod relative of spiders, horseshoe crabs, and scorpions, preserved in this level of detail only occurred as a result of very sudden underwater landslides c...

Spinosaurus (meaning "spine lizard") is a genus of theropod dinosaur that lived in what now is North Africa, during the upper Albian to upper Turonian stages of the Cretaceous period...

A beautiful and rare 'Stix' seashell by Austrian designer Marguerite Stix, circa 1960s, New York, New York. Marguerite Stix was a designer, sculptor, jeweler and ceramicist known for her later work with shells. This Stix piece is a natural seashell...

A rare natural white sea coral specimen. The vintage coral is prized for intricate organic form and sculptural presence. Coral displays textured limbs that radiate upward form a subs...

Created by Hasharat, this luminous butterfly composition features an elegant arrangement of exotic butterfly specimens mounted on delicate brass armatures beneath a 19th-century hand...

Large Vintage Reef Coral Natural Specimen, Real. (ships in USA only) Beach Decor . ***NOTE: Our 1stDibs store is closing end May and items will not be available thereafter.*** A stu...

Large Plant Fossil/Fern Fossil Specimen, Multiple Species, Carboniferous Period. Discovered in PA. ***NOTE: Our 1stDibs store is closing soon.*** This is another large, substantial a...

Gebel Kamil is a meteorite that struck Egypt approximately 5 millennia ago, resulting in a crater encircled by thousands of iron shrapnel with a combined mass of around 1,600 kilogra...

PRESENTING A ‘FANTASTICALLY’ RARE, EXCEPTIONAL QUALITY and MUSEUM QUALITY Pair of Regency Shell Art Floral Bouquets under Glass Domes. Made in Englan...

This is a beautiful Tridacna giga shell other name is large clam shell Wonderful specimen from the sea in great condition

Beautiful polished freeform specimen featuring striking bands of mixed chrysocolla and malachite in a captivating concentric botryoidal growth pattern. The vibrant blues and rich gre...

8.5" Polymorphopteris Species Tree Fern Fossil Specimen, 305 million yrs old apx. Discovered in Pennsylvania. ***NOTE: Our 1stDibs store is closing end May and items will not be avai...

Large 8 inch Split Ammonite Mounted Fossil Set Jurassic - Cretaceous Period, 200 - 145 million years old The cutting and polishing of this large pair revealed pale yellow-brown, cal...

Conlinoceras Tarrantense Ammonite Fossil, 90-100 Million Years Old. ***NOTE: Our 1stDibs store is closing soon.*** The Conlinoceras Tarrantense Ammonite is considered rare and is h...

This thick coating of rare Cobaltoan calcite on host rock is beautifully crystallized with incredible natural sparkle and luster and truly the best hot pink color we have seen in thi...

Ruler Selenite with an 18th century Italian gold leaf fragment molding and natural forming baroque pearls on a lucite base. Ruler selenite or "selenite logs" are single, prismatic se...

Genuine Amethyst clustered gemstone tree with faux tree trunk set on a large grape purple Amethyst crystal cluster on matrix - handmade in Brazil. "The Protection Tree" makes for a g...

Set of Two Polymorphopteris Species Tree Fern Fossil Specimens, 305 million yrs old apx. ***NOTE: Our 1stDibs store is closing end May and items will not be available thereafter. T...

Natural weathered fossilized Whale Vertebrae. One section / specimen. Possibly sperm whale. Likely 19th century.

Lofty one of a kind branch coral assemblage or sculpture handcrafted with organic specimens, with its ocean inspired form and texture, designed exclusively by F.S. Henemader and pres...

Sculptural 18th century Italian gilded fragment base with fossil coral and adorned with gold leaf shells. The gilded fragment base was originally part of an altar candlestick in a h...

Rare black coral on a pyrite crystal base with a fossilized seashell. Black coral is a unique and extremely slow growing coral typically found at extreme depths. The piece was put ...