A rare piece featuring a layered cluster of transparent, parallel, clear Heulandite “coffin” shaped crystals on a black Basalt Geode. Great contrast, crystal formation and symmetry. In excellent condition. Location: Maharashtra, India Size: 11.5 x 5.5 x 7 cm

A pristine, purple-brown fan-shaped Heulandite crystal perfectly centered on a plate of lustrous, gemmy colorless Apophyllite crystals. Great piece in excellent condition. Location: Jalgaon District, Maharashtra, India Size: 12.5 x 4.5 x 8.5 cm

A striking piece featuring numerous clusters of lustrous, translucent, pinkish tabular Heulandite crystals on flat white, fibrous Mordenite. The contrast between the pearly luster and pinkish color of the Heulandite crystals against the flat luster and bright white color of the Mordenite and the...

An exceptionally large basalt geode completely lined with lustrous, orange miniature tabular Heulandite crystals hosting a single, large, light-yellow Stilbite crystal along with a smaller Stilbite crystal near the edge of the geode. A colorful and aesthetic specimen with amazing luster, color, contrast and...

A large piece hosting a dense covering of rare orange hemispherical Heulandite crystal clusters with a secondary layer of beige Stilbite crystals. The color contrast between the Stilbite and Heulandite and the pearly luster of the Stilbite creates a very aesthetic and unique specimen....

A large piece hosting a dense covering of rare orange hemispherical Heulandite crystal clusters with a secondary layer of beige Stilbite crystals. The color contrast between the Stilbite and Heulandite and the pearly luster of the Stilbite creates a very aesthetic and unique specimen....

A spectacular specimen featuring an exceptionally large, pristine, red-orange fan-shaped Heulandite crystal with a peach-colored Stilbite crystal acting as a twin. The Heulandite crystal has a beautiful “oily” luster and the Stilbite crystal is perfectly centered on a bed of water-clear Apophyllite and Stilbite...

A rare and beautiful specimen featuring a cluster of deep-green, radiating Heulandite crystals with a small matrix of Stilbite and Apophyllite attached. The Heulandite crystals are well formed and exhibit a flower-like radial formation. A rare and very collectable color for this otherwise common...

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 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 large, beautiful and lustrous specimen of Jacaré Smoky Quartz. The crystals are well formed, transparent and have a rich “smoky” color with darker crystal terminations and outer edges. The crystals are aligned in a unique, parallel orientation which is what gives this particular...

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

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 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 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

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 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...

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 perfectly centered single crystal of indigo-blue Lazurite, a highly sought after gemstone, in contrasting white marble. The Lazurite with its well-defined faces and the color, contrast and symmetry of the piece is beautiful and extremely aesthetic. Excellent specimen. Location: Sar-e-Sang, Kokscha Valley, Badakshan, Afghanistan...

This is a very fascinating form of Lepidolite - the outside perimeter of the crystal is more-or-less lavender while the inside is translucent to transparent. A beautiful and interesting show piece, especially when back-lit. Location: Itinga, Minas Gerais, Brazil Size: 12 x 7 x 1 cm...

This is a beautiful piece featuring pink intersecting crystals (flattened rhombohedrons) of Manganoan Calcite. The Calcite crystals are highly translucent with a glassy luster and great color. In excellent condition.  Location: Inner Mongolia, China Size: 10.5 x 5.2 x 8 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 very aesthetic piece of deep-green botryoidal Malachite with microcrystalline Malachite covering the entire surface, creating a beautiful sparkly luster. The botryoidal layering can be clearly seen on the cross-sections on the sides. A showy piece in excellent condition. Location: Lukuni Mine, Lubumbashi, Katanga, DR...

A very aesthetic piece of deep-green botryoidal Malachite coated with microcrystalline Malachite covering the entire surface, creating a beautiful sparkly luster. The botryoidal layering can be clearly seen on the cross-sections on the sides. A showy piece, in excellent condition. Location: Katanga Copper Crescent, Katanga,...

A very aesthetic piece of deep-green botryoidal Malachite with microcrystalline Malachite covering the entire surface, creating a beautiful sparkly luster. The botryoidal layering can be clearly seen on the cross-sections on the sides. Also some Chrysocolla veins on the back. A showy piece, in...

A lustrous, deep-green fan-shaped spray of Malachite acicular crystals on a dark-brown matrix from Tsumeb. A very unique piece and habit. Location: Tsumeb, Namibia Size: 3.2 x 1.8 x 3 cm

A large piece featuring green, fibrous, hemispherical aggregates of Malachite displaying a chatoyant, silky luster (Chatoyancy: an optical reflectance effect, as in “cat’s eye,” arising from the fibrous structure of a material . . . ). A little wordy, I know - but it’s...

A large, deep-green specimen of botryoidal Malachite with an amazing chatoyant, silky luster (Chatoyancy: an optical reflectance effect, as in “cat’s eye,” arising from the fibrous structure of a material . . . ). Great piece in excellent condition. Location: Katanga, DR Congo Size: 11 x...

This piece really caught my eye - the contrast of course is amazing. But to see a cavity filled with a spray of Malachite crystals in perfect condition makes for an unusual and rare piece. Location: Kerrouchen, Morocco Size: 11 x 9.5 x 9.5 cm