Dioptase with Calcite // 10 Lb.

The name “dioptase” comes from Greek, roughly translates to "to see through," and references the visibility of the cleavage plains within the translucent, brilliantly emerald green c...

This landscape of the sky blue copper silicate mineral plancheite features generously sized, lustrous and deeply pigmented dioptase crystals emerging from mounds of sparkling, snowy ...

This sparkling specimen from the DRC features moderately sized, deep emerald green, fully formed and gemmy dioptase crystals growing on a thick bed of lustrous calcite crystals for a...

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...

This thick coating of rare Cobaltoan calcite on host rock is beautifully crystallized with relatively large crystals, incredible natural sparkle and luster, and truly the best bright...

This coating of Cobaltoan calcite on host rock brings beautiful natural sparkle and luster and some of the best bright magenta pigmentation we have seen in this species to date. Both...

Stunning Pyrite piece from the mineral-rich soils of Peru, this piece is a symphony of metallic luster and geometric precision. Its perfect cubic crystals are interlocked in a captiv...

Rhodochrosite with Galena and Calcite from Kalahari Manganese Fields, Northeren Cape Prov., South Africa Massive aesthetic specimen of powder-pink, bladed Rhodochrosite in hemispher...

This stunning formation consists of a large pyramidal calcite on a bed of deep purple amethyst. The split calcite with unusual epitaxial goethite and a second generation of amethys...

This museum-quality Amethyst “harp” from Artigas, Uruguay, is a natural sculpture of exceptional beauty and rarity. The piece features a harmonious arrangement of high-quality Amethy...

A stunning rough amethyst cluster with calcite crystals. This piece has an exquisite purple color and a calcite formation on the top. To further add ...

A fine and impressive 102 pound Honeycomb calcite crystal or stone. Features ten drilled holes. The stone is transparent and translucent, offering a luminous glow when accentuated by artificial, direct or indirect lighting. Honeycomb Calcite is a beautiful and impressive form of calcite. Mined exclusively in the Salt Lake City region. Honeycomb Calcite, much like onyx and marble (in general characteristics) can provide a colorful replacement or dramatic accent stone for architectural and artistic applications. Back in 1995, valuable calcite deposits were discovered in Northern Utah and Shamrock Mining Associates would gain the exclusive mining rights to Utah’s beautiful Amber Onyx, also called Honey Onyx or Honeycomb Calcite. The “explorer” who made the discovery was Floyd Anderson, now a vibrant 95-years-old. He has a PhD in family relations and psychology, and was looking for an adventure that was different from his career in higher education, when he got an invitation to search for emeralds with a group of distinguished geologists, a gemologist and graduate students from BYU. No emeralds...