A Feldspar mineral, also known as Spectrolite, or more descriptively, rainbow Spectrolite. Labradorite is named for Labrador, where it was first discovered (imagine that). Labradorite displays an iridescent effect known as labradorescence (once again, imagine that . . . ). When held at various...

This Hyalite Opal is exceptionally large with the vug entirely coated with a massive and thick layer of transparent, colorless botryoidal Hyalite Opal. The Hyalite exhibits intense green fluorescence when exposed to ultraviolet light. Additionally, the adjoining brown matrix has been polished to highlight...

A beautiful, lustrous, transparent and gemmy pink Kunzite crystal. Kunzite is the pink gem variety of the mineral Spodumene and has become increasingly popular in the gemstone market. Striking color and clarity. Location: Pech, Kunar Province, Afghanistan Size: 6.5 x 1.5 x 9.7 cm

A large, beautiful, lustrous, transparent and gemmy pink Kunzite crystal. Kunzite is the pink gem variety of the mineral Spodumene and has become increasingly popular in the gemstone market. Striking color and clarity. Location: Pech, Kunar Province, Afghanistan Size: 3.2 x 2 x 11 cm

A very colorful piece featuring deep-yellow/golden botryoidal Mimetite crystals on a red-brown matrix, along with numerous transparent Calcite rhombohedrons scattered throughout the piece. I also find the unusual shape of the piece an added attraction. A very aesthetic piece with great color, contrast, luster...

A very colorful and large piece featuring deep-yellow/golden botryoidal Mimetite crystals on a red-brown matrix, partially coated with transparent Calcite rhombohedrons. The luster with the addition of the Calcite crystals is outstanding and only adds to the depth of the Mimetite’s golden color. A...

A Feldspar mineral, also known as Spectrolite, or more descriptively, rainbow Spectrolite. Labradorite is named for Labrador, where it was first discovered (imagine that). Labradorite displays an iridescent effect known as labradorescence (once again, imagine that . . . ). When held at various...

Lapis Lazuli is a beautiful semi-precious gemstone that features indigo-blue Lazurite, golden Pyrite and Calcite. The deep-blue coloring is from Lazurite, the metallic gold sparkles are from Pyrite, and the white veining is from Calcite. Lapis Lazuli (or Lapis for short) is formed from...

A small but aesthetic and colorful specimen of lustrous, apple-green Pyromorphite crystals on a contrasting Limonite. The Pyromorphite crystals are well formed and exceptionally lustrous. A beautiful specimen in excellent condition. Location: Daoping Mine, Gongcheng Co., Guilin, Guangxi, China Size: 5.5 x 4 x 5 cm...

From a relatively new discovery in Peru - this beautiful, all natural pink Opal has a botryoidal-looking form, with a soft, satiny luster. It is gem quality and hard to find - a striking piece with great color and luster. In excellent condition. Location: Ica,...

From a relatively new discovery in Peru - this beautiful, all natural pink Opal has a botryoidal-looking form, with a soft, satiny luster. It is gem quality and hard to find - a striking piece with great color and luster. In excellent condition. Location: Ica,...

Lustrous, translucent white Quartz hosting two large, well-formed, indigo-blue intergrown parallel Kyanite blades. Very aesthetic and in excellent condition. Location: São José da Safira, Minas Gerais, Brazil Size: 5 x 6 x 14.5 cm

A cluster of numerous lustrous, transparent colorless bladed Hemimorphite crystals with translucent to transparent, well formed platy/lenticular Calcite crystals on a dark brown Limonite matrix. Great contrast, crystal formation and symmetry. In excellent condition. Location: Mina Ojuela, Mapimi, Durango, Mexico Size: 7 x 5 x 7...

From a relatively new discovery in Peru - this beautiful, all natural pink Opal has a botryoidal-like form, with a soft, satiny luster. It is gem quality and hard to find - a striking piece with great color and luster. In excellent condition. Location: Pisco...

From a relatively new discovery in Peru - this beautiful, all natural pink Opal has a botryoidal-like form, with a soft, satiny luster. It is gem quality and hard to find - a striking piece with great color and luster. In excellent condition. Location: Pisco...

From a relatively new discovery in Peru - this beautiful, all natural pink Opal has a botryoidal-like form, with a soft, satiny luster. It is gem quality and hard to find - a striking piece with great color and luster. In excellent condition. Location: Pisco...

A rare piece featuring numerous lustrous, black Biotite crystal clusters on Honey Calcite. The rhombic cleavage can be seen along the length of the honey Calcite, and in addition to all of the Biotite crystal clusters there is a complete pair of intersecting Biotite...

A single bladed crystal of diverging translucent blue Kyanite in colorless Quartz. Great color and contrast. In excellent condition. Location: Windhoek Rural, Khomas Region, Namibia Size: 4.8 x 2.5 x 3.5 cm

From a relatively new discovery in Peru - this beautiful, all natural pink Opal has a botryoidal-looking form, with a soft, satiny luster. It is gem quality and hard to find - a striking piece with great color and luster. In excellent condition. Location: Pisco...

From a relatively new discovery in Peru - this beautiful, all natural pink Opal has a botryoidal-looking form, with a soft, satiny luster. It is gem quality and hard to find - a striking piece with great color and luster. In excellent condition. Location: Pisco...

A superb specimen of lustrous, apple-green hexagonal Pyromorphite crystals with flat terminations on a contrasting Limonite. Pyromorphite crystals this large (over 1 cm) and well formed are the exception rather than the rule. Outstanding contrast and crystal formation. A beautiful specimen in excellent condition....

This is an extraordinarily large and beautiful piece, featuring numerous sharp, lustrous and highly translucent light-pink Halite crystals on a darker-pink massive Halite matrix. To quote, “Surprising as it seems, microscopic halophilic (salt loving) bacteria live in this highly concentrated brine and when they...

This specimen features both a larger and smaller cluster of jet-black, lustrous Hubnerite crystals, both centered on a plate of highly translucent to transparent Quartz crystals. At the base of both clusters are radiating clusters of miniature Quartz crystals. There’s also a well formed...

This is a large, beautiful and striking piece that features a vuggy Quartz matrix hosting numerous clusters of translucent, lustrous apple-green Pyromorphite crystals throughout the piece. There are Pyromorphite crystals on all sides of the matrix. There is a particularly dense band of Pyromorphite...

A beautiful and extremely aesthetic specimen featuring mint-green Prehnite epimorphs after elongated Laumonite crystals (the Laumontite formed first, was overgrown with Prehnite, then the Laumontite dissolved leaving the Prehnite in the shape of the Laumontite crystals) completely coated with lustrous miniature translucent, colorless Apophyllite...

Pristine, translucent, “bubbly” (globular) formations of light-green Prehnite with a silky luster on contrasting matrix. A very unique piece - in excellent condition. Location: Prospect Park, New Jersey, USA Size: 9.5 x 8.5 x 3.5 cm

A large, superb specimen featuring numerous, dark-gray, sharp octahedral Magnetite crystals in a contrasting matrix. There are a half-dozen large, well-formed and complete magnetite crystals. This piece and this location sets the standard for Magnetite - in excellent condition. Location: Yinnietharra, Western Australia, Australia Size: 15...

A beautiful, lustrous, transparent, pink Kunzite crystal. Kunzite is the pink gem variety of the mineral Spodumene which has become increasingly popular in the gemstone market. Location: Hiriart Mountain, Pala District, San Diego, California, USA Size: 5.5 x 2 x 1.5 cm

Translucent apple-green crystals of Pyromorphite cover this piece on all sides, with a particularly rich and dense cluster of Pyromorphite perfectly centered. Beautiful specimen in excellent condition. Location: Daoping Yansuo, Guangxi, China Size: 9 x 6.5 x 4.5 cm

A large specimen featuring numerous spherical formations of translucent green prehnite on dark green Epidote crystals. These Prehnite spheres are aggregates of slender, radiating crystals clearly seen in the closeup of a contacted sphere. This is a very fine specimen with excellent color and...