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LP176 - Dioptase $ 270 Tsumeb, Namibia miniature - 4.5 x 2.5 x 2.5 cm ![]() ![]() ![]() ![]() Highly lustrous Dioptase crystals over tiny Calcite crystals from Tsumeb. Individual crystals reach 1.3cm long. Ex. Len Pisciotta collection.
LP177 - Calcite on Amethyst $ 450 Zacatecas, Mexico small cabinet - 6.5 x 4 x 3 cm ![]() ![]() ![]() A large white Calcite crystal attached to a layer of solid Amethyst crystals. This is a really lovely old specimen with a complete 4cm wide Calcite crystal. The Amethyst is crystallized on both sides. Ex. Len Pisciotta collection.
MK919 - Stilbite $ 80 Jalgaon, Maharashtra State, India miniature - 5 x 4 x 4 cm ![]() ![]() ![]() Aesthetic cluster of peach-colored Stilbite on matrix. Fan-shaped cluster with jagged ridges across the top. Complete all around and undamaged. Ex. Len Pisciotta collection.
MK920 - Quartz on Albite $ 180 Minas Gerais, Brazil small cabinet - 7 x 7 x 4.5 cm ![]() ![]() ![]() ![]() Transparent single Quartz crystal (somewhat Citrine and smoky in color) well centered on Albite crystals. Fine and showy specimen, undamaged. Ex. Len Pisciotta collection.
MK923 - Cavansite $ 350 Wagholi Quarry, Pune District, India miniature - 4 x 2.5 x 2.2 cm ![]() ![]() ![]() Near floater cluster of vivid blue Cavansite crystals. Well crystallized all around, this good sized crystal group appears to have grown on the tips of a couple Stilbite crystals and detached as I see only a couple small ares of white, otherwise it's nothing but great crystals all around. Ex. Len Pisciotta collection (his old label shows a price of $600).
MK912 - Natrolite $ 200 Chimney Rock Quarry (Bound Brook Quarry), Somerset Co., New Jersey, USA small cabinet - 6.2 x 0.8 x 0.8 cm ![]() ![]() ![]() Terminated single Natrolite crystal from the well known Bound Brook locality. Perfectly terminated, undamaged, transparent crystal. Old material from the classic USA locality that produced what are considered some of the world's best Natrolites. Ex. Len Pisciotta collection.
MK915 - McGuinnessite $ 200 Red Mountain, Mendocino Co., California, USA small cabinet - 8 x 6 x 4.5 cm ![]() ![]() ![]() ![]() Blue/green McGuinnessite on multiple sides of a rock matrix. Mcguinnessite is a rare Mg-Cu carbonate, a member of Rosasite Group and is named after well-known California mineralogist, Al McGuinness. The matrix is richly covered with radial clusters and hemispheres of teal-blue McGuinnessite on most sides. Comes with an old Chuck Trantham label that indicates it was collected in July 1975. Comes with an old Al McGuinness label. Ex. Len Pisciotta collection.
MK916 - Galena $ 200 Reynolds Co., Missouri, USA miniature - 4.5 x 4.5 x 3.5 cm ![]() ![]() ![]() ![]() ![]() Lustrous metallic Galena crystals from Missouri. This is a fine and aesthetic Galena, complete all around. Ex. Len Pisciotta collection (who valued it at $300).
LP233 - Thaumasite $ 300 N'Chwanning Mine, Kuruman, South Africa thumbnail - 1.1 x 0.6 x 0.5 cm ![]() ![]() Transparent single yellow crystal of Thaumasite, a rare mineral species related to Ettringite and Sturmanite found in the Kalahari Manganese fields of South Africa. These were found in the 1990s and I used to be able to buy them many years ago from South African dealer Clive Quiet until supplies dried up. I was fortunate to find this crystal recently from someone who had also bought this from Clive Quiet and stockpiled it until now. It's a complete, undamaged single crystal with great luster and total transparency. A rare, now hard to find gem quality crystal.
LP234 - Thaumasite $ 120 N'Chwanning Mine, Kuruman, South Africa thumbnail - 0.9 x 0.4 x 0.3 cm ![]() ![]() Transparent single yellow crystal of Thaumasite, a rare mineral species related to Ettringite and Sturmanite found in the Kalahari Manganese fields of South Africa. These were found in the 1990s and I used to be able to buy them many years ago from South African dealer Clive Quiet until supplies dried up. I was fortunate to find this crystal recently from someone who had also bought this from Clive Quiet and stockpiled it until now. It's a complete, undamaged single crystal with great luster and total transparency and partially double terminated. A rare, now hard to find gem quality crystal.
LP235 - Thaumasite $ 350 N'Chwanning Mine, Kuruman, South Africa thumbnail - 2.8 x 2.5 x 1 cm ![]() ![]() ![]() Cluster of transparent yellow crystals of Thaumasite, a rare mineral species related to Ettringite and Sturmanite found in the Kalahari Manganese fields of South Africa. These were found in the 1990s and I used to be able to buy them many years ago from South African dealer Clive Quiet until supplies dried up. I was fortunate to find this specimen recently from someone who had also bought this from Clive Quiet and stockpiled it until now. It's a rare matrix specimen from the find. Even while these were available, matrix specimens were always rare, as most were loose single crystals. Some crystals show some wear, regardless, it's a hard to find rarity.
LP236 - Thaumasite $ 300 N'Chwanning Mine, Kuruman, South Africa thumbnail - 2.3 x 1.7 x 1 cm ![]() ![]() ![]() ![]() Cluster of transparent yellow crystals of Thaumasite, a rare mineral species related to Ettringite and Sturmanite found in the Kalahari Manganese fields of South Africa. These were found in the 1990s and I used to be able to buy them many years ago from South African dealer Clive Quiet until supplies dried up. I was fortunate to find this specimen recently from someone who had also bought this from Clive Quiet and stockpiled it until now. It's a rare matrix specimen from the find. Even while these were available, matrix specimens were always rare, as most were loose single crystals. This specimen features a larger 1.5cm tall crystal on the left side with smaller crystals to the right. A hard to find rarity.
LP237 - Thaumasite $ 250 N'Chwanning Mine, Kuruman, South Africa thumbnail - 1 x 0.5 x 0.5 cm ![]() ![]() ![]() Transparent single yellow crystal of Thaumasite, a rare mineral species related to Ettringite and Sturmanite found in the Kalahari Manganese fields of South Africa. These were found in the 1990s and I used to be able to buy them many years ago from South African dealer Clive Quiet until supplies dried up. I was fortunate to find this crystal recently from someone who had also bought this from Clive Quiet and stockpiled it until now. It's a complete, undamaged single crystal with great luster and total transparency. A rare, now hard to find gem quality crystal.
LP238 - Manganite $ 450 Atikokan, Rainy River District, Ontario, Canada miniature - 5 x 2.7 x 2.7 cm ![]() ![]() ![]() Cluster of lustrous metallic Manganite crystals from Atikokan. At first glance I thought this was from Ilfeld, Germany because the crystals were so much larger than what I normally see from Canadian Manganite - it has crystals to 1.8cm tall. This is a well documented specimen from the JIm Watson collection (with label and old photograph), and comes with another old label from George and Susan Robinson Minerals that dates to 1978.
MK971 - Olshanskyite, Andradite, Roweite $ 450 Shijiangshan Mine, Chifeng City, Inner Mongolia, China cabinet - 9.5 x 6 x 5.5 cm ![]() ![]() ![]() ![]() Beautiful sprays of white white Olshanskyite crystals with Andradite. These recent finds have produced the world's best Olshanskyite with crystal sizes and quality not seen before. There are also a few brown Roweite crystals. Interestingly, the type locality for Roweite is Franklin, New Jersey, where only one specimen was found. Ex. Len Pisciotta collection.
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