A large piece featuring clusters of prismatic hexagonal Calcite crystals on matrix. The crystals are transparent to translucent with a slight Hematitic hue and vary in size throughout the piece. Nice luster - even the matrix has a sparkling druzy luster. Great piece in...

This piece features clusters of prismatic hexagonal Calcite crystals on matrix. The crystals are colorless, transparent to translucent, and vary in size throughout the piece. Good luster - even the matrix has a sparkling druzy luster. In excellent condition. Location: Brandberg, Namibia Size: 5.5 x 5...

This piece features clusters of prismatic hexagonal Calcite crystals on matrix. The crystals are colorless, transparent to translucent, and vary in size throughout the piece. Good luster - even the matrix has a sparkling druzy luster. In excellent condition. Location: Brandberg, Namibia Size: 7 x 3.5...

This piece features clusters of prismatic hexagonal Calcite crystals on matrix. The crystals are colorless, transparent to translucent, and vary in size throughout the piece. Good luster - even the matrix has a sparkling druzy luster. In excellent condition. Location: Brandberg, Namibia Size: 4 x 3.5...

This piece features clusters of prismatic hexagonal Calcite crystals on matrix. The crystals are colorless, transparent to translucent, and vary in size throughout the piece. Good luster - even the matrix has a sparkling druzy luster. In excellent condition. Location: Brandberg, Namibia Size: 4 x 3.5...

This piece features clusters of prismatic hexagonal Calcite crystals on matrix. The crystals are colorless, transparent to translucent, and vary in size.. Good luster - even the matrix has a sparkling druzy luster. In excellent condition. Location: Brandberg, Namibia Size: 4.3 x 2 x 4.5 cm...

This piece features numerous sharp, lustrous transparent Calcite rhombohedrons on a partial Calcite filled Dolomite nodule matrix from Tsumeb. Great contrast and crystal formation. In excellent condition. Location: Tsumeb, Namibia Size: 4.5 x 3 x 4.8 cm

A very aesthetic piece featuring a large cluster of highly translucent to transparent, well formed platy/lenticular Calcite crystals on a dark brown Limonite matrix. There is a slight reddish-brown tinting to the Calcite crystals, and upon closer inspection (see closeup pic), reddish Hematite inclusions...

 A very aesthetic piece featuring a stalactitic formation of highly translucent to transparent Calcite scalenohedral crystals. In excellent condition. Location: Buena Tierra Mine, Santa Eulalia, Chihuahua, Mexico Size: 7.5 x 4.5 x 11 cm

A large, rounded cluster of lustrous, pink-beige Calcite scalenohedral crystals, often referred to as “dog-tooth” Calcite crystals. A very aesthetic piece from an unusual locality. In excellent condition. Location: Balchistan Regiion, Pakistan Size: 13 x 11 x 8 cm

A large, rounded radial cluster of lustrous, honey-colored complex scalenohedral Calcite crystals. An impressive and aesthetic grouping with beautiful color, luster and symmetry. In excellent condition. Location: Chihuahua, Mexico Size: 13 x 10 x 6 cm

An exceptionally large piece! The miner that extracted this piece referred to it as a Calcite “lily pad”, with the flat crystalline surface parallel to the water lever in this particular cave. This is a unique find, with excellent crystalline growth and luster and...

A large stacked cluster of highly translucent to transparent golden rhombohedral Calcite crystals - with its golden color, silky luster and stair-stepped form, this is a unique and aesthetic piece. In excellent condition. Location: Saint-Philippe Quarry, Saint-Philipp, Roussillon RCM, Montérégie, Québec, Canada Size: 13 x 8...

A large piece featuring clusters of prismatic hexagonal Calcite crystals on matrix. The crystals are colorless, transparent to translucent, and vary in size throughout the piece. Good luster - even the matrix has a sparkling druzy luster. Overall in great condition. Location: Brandberg, Namibia...

This unique piece features two intersecting spherical Calcite crystal clusters. These clusters exhibit an “oily” luster with a striking yellow/orange color. No damage. Location: Wenshan, Yunnan Province, China Size: 12 x 9 x 7 cm

This is an exceptionally large and superb piece that features a Calcite stalactite completely covered with a later generation of large, gemmy, sharp and lustrous scalenohedral Calcite crystals. I have scoured this piece up and down and I cannot even find one little ding...

A geode lined with lustrous, transparent colorless scalenohedral Calcite crytals. The crystals are sharp and quite large for a geode, and contrast nicely with the golden-yellow matrix. A beautiful, showy piece in excellent condition. Location: Mibladen, Midelt, Khenifra Province, Meknes-Tafilalet Region, Morocco Size: 14.3 x 12.3...

Really interesting piece: Several small Calcite crystals dusted with microcrystalline Quartz deposited on a plate of Amethyst Quartz crystals, also dusted with microcrystalline Quartz. This makes for incredible luster, great contrast and an unusual yet intriguing, eye-catching piece - I have yet to see...

A large, very aesthetic piece from Tsumeb featuring deep-red, slightly translucent Cuprite crystals hosting a coating of clear, colorless, intersecting Calcite rhombohedrons with inclusions of microcrystalline Malachite, giving the Calcite a light-green hue. An impressive piece with great color and luster. In excellent condition....

A large cluster of lustrous, transparent, golden Fluorite cubes hosting a cluster of white, translucent Calcite scalenohedra perfectly positioned on the highest point. Striking contrast, color, crystal formation and symmetry. In excellent condition. Location: Moscona Mine, Solis, Llanera, Asturias, Spain Size: 9 x 5 x 8...

A large Geode lined with pink-orange Heulandite crystals hosting a large, lustrous, colorless and transparent Calcite rhombohedron. The Calcite rhomb is perfectly centered - an outstanding and aesthetic specimen with great luster, crystal formation, contrast and symmetry. In excellent condition. Location: Nashik, India Size: 13 x...

A large cluster of elongated colorless/white translucent scalenohedral Calcite crystals on a Chlorite dusted Quartz matrix. The contrast between the satin luster and clear/white color of the Calcite against the dark-green (practically black) color and matte luster of the Chlorite coated Quartz is about...

A very large specimen featuring lustrous, white crystalline Quartz hosting a large, sharp, translucent, cream-colored Calcite crystal. The Calcite crystal is prismatic with a flattened triangular termination (fun trivia stuff), has a smooth, velvety luster, and is perfectly centered. A nice piece with great...

This piece features a large translucent Quartz vug lined with miniature milky-Quartz crystals hosting a similarly large, lustrous and highly translucent to transparent complex Calcite crystal. The vug has safely protected the Calcite crystal, allowing for its pristine condition. A very aesthetic piece in...

An exceptionally large and striking piece featuring a huge lustrous, cognac-colored Calcite twin on a large “tail” of colorless to white druzy Quartz. The crystal faces are pristine, with visible striations and sharp edges. The luster appears “wet”. The contrast between the Calcite and...

A large, colorful and aesthetic piece that features a cluster of large, white interconnected Scolecite spherical formations hosting numerous sphere-like aggregates of highly translucent, lustrous amber-colored Calcite. This piece has great color, luster and symmetry. A very showy and unique piece. Free standing and...

A large, colorful and aesthetic piece that features a cluster of large, white interconnected Scolecite spherical formations hosting a large cluster of interconnected sphere-like aggregates of highly translucent, lustrous amber-colored Calcite. This piece has great color, luster and symmetry. A very showy piece in...

This is a unique, beautiful large piece that features black, lustrous Sphalerite (with Pyrite) hosting a first layer of miniature translucent, white Calcite rhombohedral crystals, then a second layer of larger, layered, pink Manganoan Calcite crystals. The end result is a piece with amazing...

An aesthetic, cabinet-sized specimen featuring a colorful matrix hosting a perfectly centered dense cluster/ridge of lustrous, transparent to translucent, rich-green Dioptase crystals. Truly a beautiful piece with amazing color, luster, gemminess and balance! Size: 15 x 6 x 11.5 cm 15 x 6 x...

This extra large piece hosts 2 generations of Calcite: the first generation is featured on the front which is a layer of bright white, highly lustrous Calcite crystals, and then on the side and back is a second generation of beige colored microcrystalline Calcite...