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K513 - Spinel $ 650 SOLD Koksha Valley, Badakhshan, Afghanistan miniature - 4.2 x 4.2 x 3.8 cm ![]() ![]() ![]() Gem quality purple Spinel on matrix. A rarely seen and colorful gem crystal on matrix. The main crystal is 11x10x7mm in size and transparent. The backside is flat and the crystal sticks out off the matrix, but is undamaged. It was etched out of Calcite and the gap behind it is where the Calcite was formerly located. Aside from it's natural beauty, there is intrinsic gem value in the main crystal.
K512 - Chlorite in Quartz $ 750 SOLD Tamil Nadu, India cabinet - 14 x 11.5 x 6 cm ![]() ![]() ![]() Stunningly beautiful cluster of light green Quartz crystals from India, the green color caused by inclusions of Chlorite. The crystals stick out in various directions with striking effect. Undamaged and comes with a custom Lucite stand.
K511 - Tourmaline on Quartz $ 1850 SOLD Pederniera Mine, São José da Safira, Minas Gerais, Brazil cabinet - 15 x 10 x 7 cm ![]() ![]() ![]() ![]() ![]() ![]() Large, floater specimen of multi-colored Tourmaline crystals on a large Quartz crystal. This is an old specimen dating back to the early days of the mine (I am told the 1980s). Even though they are all from the same pocket, the Tourmalines show a variety of colors and form - some with dark terminations, others with yellowish terminations, and some with pink cores. The best is a 4cm well terminated crystal of transparent green with a yellow termination. The Quartz crystal is rehealed on the bottom. This is a great (and inexpensive) specimen for a collector who wants to put together a Pederniera collection reflecting the various pockets and styles found at the mine.
K508 - Garnet, Dravite in Graphite $ 250 SOLD Red Embers Mine, Erving, Massachusetts, USA cabinet - 12.5 x 9 x 2 cm ![]() ![]() ![]() ![]() Seven red Garnet crystals in a matrix of grey Graphite. Small dark crystals of Dravite are also embedded in the Graphite. The Garnets reach 12mm in diameter and have been analyzed as mostly Almandine with a touch of Pyrope in the outer layers. These make stunning specimens due to the fact that the Graphite has been removed from around the backs of the Garnets allowing light to pass through the crystals, creating glowing 'red embers'.
K509 - Garnet, Dravite in Graphite $ 250 SOLD Red Embers Mine, Erving, Massachusetts, USA cabinet - 14 x 11 x 1.5 cm ![]() ![]() ![]() ![]() 13 red Garnet crystals in a matrix of grey Graphite. Small dark crystals of Dravite are also embedded in the Graphite. The Garnets reach 10mm in diameter and have been analyzed as mostly Almandine with a touch of Pyrope in the outer layers. These make stunning specimens due to the fact that the Graphite has been removed from around the backs of the Garnets allowing light to pass through the crystals, creating glowing 'red embers'.
K504 - Garnet, Dravite in Graphite $ 120 SOLD Red Embers Mine, Erving, Massachusetts, USA small cabinet - 6.5 x 5.5 x 1.5 cm ![]() ![]() ![]() 5 red Garnet crystals in a matrix of grey Graphite. Small dark crystals of Dravite are also embedded in the Graphite. The Garnets reach 10mm in diameter and have been analyzed as mostly Almandine with a touch of Pyrope in the outer layers. These make stunning specimens due to the fact that the Graphite has been removed from around the backs of the Garnets allowing light to pass through the crystals, creating glowing 'red embers'.
K363 - Quartz $ 150 Himalaya Mtns., India small cabinet - 9 x 7.5 x 5 cm ![]() ![]() ![]() Water-clear, colorless Quartz crystals from the Indian Himalayas. Slight chipping on one back termination face, otherwise perfect. Stands upright for display.
K459 - Prehnite $ 200 SOLD Merelani Hills, Arusha, Tanzania small cabinet - 5.5 x 4.5 x 2.3 cm ![]() ![]() ![]() Spherical groups of translucent yellow Prehnite crystals on Graphite. Great color with large distinct crystals.
K462 - Prehnite $ 450 SOLD Merelani Hills, Arusha, Tanzania small cabinet - 6 x 5 x 3.3 cm ![]() ![]() ![]() Grouping of translucent yellow Prehnite crystals with a slight amount of attached Graphite. Great color with large distinct crystals. There is also an attached crystal of whitish Chabazite. Slight chipping is present but overall in great condition and a very good one for Merelani Prehnite.
K492 - Insects in Copal $ 50 SOLD Nosy Varika, Vatovavy-Fitovinany Region, Madagascar cabinet - 11 x 2 x 0.7 cm ![]() ![]() ![]() Fossilized tree sap containing inclusions of well preserved insects. There are many small insects and a 1.4cm insect that looks like a cockroach. Copal is similar to amber, but younger in age. This copal is from the tree species Hymenaea verrucosa and believed to be from the Quaternary Period. Polished on all sides.
K351 - Tsavorite $ 75 SOLD Merelani Hills, Arusha, Tanzania thumbnail - 1.7 x 1.4 x 1 cm ![]() ![]() ![]() ![]() Elongated single Tsavorite crystals with good color. Glassy luster and translucent grading to transparent along the top edge. It's contacted or
K362 - Brucite $ 300 Killa Saifullah, Balochistan, Pakistan small cabinet - 5.9 x 4.9 x 2 cm ![]() ![]() ![]() Bright lemon yellow Brucite crystals from the original finds of a couple years ago. I looked through hundreds of specimens to find the brightest, most deeply saturated yellow specimens such as this. This specimen is solid Brucite and is well crystallized on both sides. The bright yellow Brucite formed as a second generation over a thin piece of white Brucite. These new specimens from Pakistan are world's best for the species.
K412 - Heliodor gemstone $ 180 SOLD Volodarsk-Volynskii, Ukraine thumbnail - 1.5 x 1 x 0.7 cm ![]() ![]() Faceted gemstone of Heliodor, a 1.5cm oval weighing 8 carats. This was likely cut in the Ukraine and came to me in a lot of Heliodor crystals. There are a couple chips and should be recut if used in jewelry, but would be great paired with a Heliodor crystal in a rough and cut set. ©2010-2018 Marin Mineral |