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MK224 - Tourmaline $ 750 Stak Nala, Skardu, Pakistan miniature - 4 x 2.5 x 2 cm Five parallel grown, doubly-terminated Tourmaline crystals from Stak Nala. One end has pyramidal, colorless (Achroite) terminations and the other has flat, multi-hued green terminations. There is a chip on one of the flat terminations, otherwise it's well crystallized and perfect all around, a floater.
MK230 - Amblygonite $ 400 Linopolis, Divino das Laranjeiras, Minas Gerais, Brazil miniature - 4.8 x 4 x 2.4 cm Single large crystal of translucent to transparent yellow Amblygonite. Amblygonite is a rare lithium-aluminum phosphate species that is not commonly seen in fine display quality crystals. This crystal has large, flat faces on the front and is cleaved/contacted on the backside. Translucent with transparent gem areas. Some faces show light striations and others are smooth with high glassy luster.
MK231 - Amblygonite $ 600 Linopolis, Divino das Laranjeiras, Minas Gerais, Brazil small cabinet - 5.5 x 3.8 x 3 cm Single large crystal of translucent to transparent yellow Amblygonite intergrown with white Albite. Amblygonite is a rare lithium-aluminum phosphate species that is not commonly seen in fine display quality crystals. This crystal is well crystallized all around with a contact on the bottom rising up part of the backside. Translucent with transparent gem areas. Some faces show light striations and others are smooth with high glassy luster. Excellent for the species!
MK232 - Amblygonite $ 400 Linopolis, Divino das Laranjeiras, Minas Gerais, Brazil miniature - 4 x 2.7 x 2 cm Single crystal of translucent to transparent yellow Amblygonite intergrown with white Albite. Amblygonite is a rare lithium-aluminum phosphate species that is not commonly seen in fine display quality crystals. This is a well crystallized specimen all around with just a small area of contacting on the backside. Translucent with transparent gem areas. Some faces show light striations and others are smooth with high glassy luster. Excellent for the species!
MK237 - Rose Quartz $ 750 Taquaral, Itinga, Minas Gerais, Brazil miniature - 4.8 x 3 x 2.5 cm Cluster of glassy, transparent Rose Quartz crystals from Brazil. This cluster features a particularly well formed large individual crystal 3cm tall. Undamaged, fine quality miniature.
LV145 - Hyalite Opal $ 300 Valec Hyalite occurrences, Valec, Karlovy Vary Region, Czech Republic small cabinet - 7 x 5 x 4 cm Transparent botryoidal Hyalite and white Staffelite (carbonate rich fluorapatite) on matrix. These are old classics from themost famous locality in the world for Hyalite. This specimen has thick layers of bubbly transparent Hyalite with areas of white Staffelite.
MK239 - Acanthite $ 150 Colquechaca, Potosi Dept., Bolivia thumbnail - 1.8 x 1.5 x 1.2 cm Thumbnail sized cluster of blocky Acanthite crystals from Colquechaca. The crystals have bright metallic luster and reach 5mm in size.
LV243 - Calcite Abbeytown Quarry, Ballysadare, Co. Sligo, Ireland miniature - 4.4 x 3 x 3 cm Scalenohedral white Calcite crystals from the Abbeytown Quarry. The main crystal has a clearer outer layer and pearlescent reflections internally and is in perfect condition. Ex. Tim Sherburn collection. Acquired from Peter Briscol in 2002.
LV200 - Gmelinite $ 80 Magheramorne Quarry, Co. Antrim, Ireland miniature - 3.5 x 3.5 x 3 cm Colorful orange Gmelinite crystals on matrix. Ex. Tim Sherburn collection.
MK254 - Vanadinite $ 300 Mibladen, Morocco miniature - 3.4 x 3 x 2.5 cm Blocky, barrel-shaped deep red Vanadinite crystals on matrix. The main crystal is an impressive 1.6 x 1.6cm in size. There is chipping to some small edge crystals along the left bottom, otherwise perfect.
MK255 - Orthoclase $ 95 Anjanabononoia, Manapa pegmatite Field, Betafo, Madagascar thumbnail - 1.5 x 1.1 x 0.9 cm Gem quality Orthoclase (Feldspar), a rarity for the species. Colorless and totally transparent with good crystal faces.
MK260 - Chalcocite $ 600 9 Level, Pig Lode, Geevor Mine, Pendeen, Cornwall, England thumbnail - 3 x 1.8 x 1.5 cm Chalcocite crystals with satiny metallic luster and slight golden irridescence. A 1cm tall 'drill-bit' twin crystal rises up at the top of the specimen. Collected in 1981 by Ken Coburn.
MK262 - Chalcocite $ 400 9 Level, Pig Lode, Geevor Mine, Pendeen, Cornwall, England thumbnail - 2.7 x 1.8 x 1.6 cm Well composed specimen of Chalcocite crystals with good crystals all over, front and back sides shown. Undamaged with crystals to 7mm in size. Collected in 1981 by Ken Coburn.
MK263 - Chalcocite $ 600 Cook's Kitchen Mine, Illogan, Cornwall, England miniature - 4.5 x 3.5 x 2.8 cm Old specimen of blocky Chalcocite crystals on matrix. Lots of great crystals well dispersed across the top surface. The crystals have a slight blueish irridescence. This specimen was in the MG Weller collection and likely dates back to the 1800s. From MINDAT: From 1815 to 1897, Cook's Kitchen Mine produced 8,859 tons of black tin, 40,920 tons of 5.5% copper ore, 120 tons of arsenic and 222 tons of arsenical pyrite. It is said to have been worked for 130 years prior to 1874, and to have been one of the most productive mines in Cornwall in 1814.
LV255 - Aquamarine $ 140 Xuan Le, Thoung Xuan District, Thanh Hoa Province, Vietnam thumbnail - 2.7 x 0.5 x 0.3 cm Single well terminated gem quality Aquamarine from Vietnam. Perfect and undamaged. The crystal is facet quality transparent for it's entire length and has the great blue color Vietnamese Aquas are known for.
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