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T880 - Brookite $ 95 Balochistan, Pakistan thumbnail - 2.8 x 2.5 x 2 cm ![]() ![]() ![]() 3 intergrown Brookite crystals, partially translucent.
T883 - Vanadinite San Carlos Mine, Chihuahua, Mexico cabinet - 12 x 11 x 6 cm ![]() ![]() ![]() Old specimen of Vanadinite with Calcite. Individual crystals reach over 1cm in length. From an old collection, amazingly only a couple crystals missing.
T884 - Apatite Cerro Mercado, Durango, Mexico small cabinet - 8 x 8 x 4.5 cm ![]() ![]() ![]() Gem yellow Apatite crystals in matrix. The main crystal is 3cm tall.
T890 - Chrome Tourmaline $ 500 Commander Mine, Nadonjukin, Simanjiro, Tanzania thumbnail - 2 x 1 x 0.7 cm ![]() ![]() Terminated single gem crystal of Chrome Tourmaline which is a chromium and vanadium rich Dravite. Complete all around with deep emerald green coloration in the upper half and a more olive green in the lower half. Fantastic color and mostly gem quality with just a few interanl veils. Undamaged. From a spectacular pocket opened in 2016. Weighs 3.1 grams.
T891 - Chrome Tourmaline $ 600 Commander Mine, Nadonjukin, Simanjiro, Tanzania thumbnail - 2.2 x 1 x 0.9 cm ![]() ![]() Terminated single gem crystal of Chrome Tourmaline which is a chromium and vanadium rich Dravite. Complete all around with deep emerald green coloration in the upper half and a more olive green in the lower half. Fantastic color and mostly gem quality with just a few interanl veils. Undamaged. From a spectacular pocket opened in 2016. Weighs 3.7 grams.
T892 - Chrome Tourmaline $ 380 Commander Mine, Nadonjukin, Simanjiro, Tanzania thumbnail - 1.8 x 1.1 x 1.1 cm ![]() ![]() ![]() Terminated single gem crystal of Chrome Tourmaline which is a chromium and vanadium rich Dravite. Complete all around with deep emerald green coloration in the upper half and a more olive green in the lower half. Fantastic color and mostly gem quality with just a few interanl veils. Undamaged. From a spectacular pocket opened in 2016. Weighs 4.0 grams.
T893 - Chrome Tourmaline $ 550 Commander Mine, Nadonjukin, Simanjiro, Tanzania thumbnail - 2.4 x 0.8 x 0.5 cm ![]() ![]() ![]() Terminated single gem crystal of Chrome Tourmaline which is a chromium and vanadium rich Dravite. Complete all around with deep emerald green coloration in the upper half and a more olive green in the lower half. Fantastic color and mostly gem quality with just a few interanl veils. Undamaged. From a spectacular pocket opened in 2016. Weighs 2.2 grams.
T894 - Chrome Tourmaline $ 550 Commander Mine, Nadonjukin, Simanjiro, Tanzania thumbnail - 2.4 x 0.8 x 0.6 cm ![]() ![]() Terminated single gem crystal of Chrome Tourmaline which is a chromium and vanadium rich Dravite. Complete all around with deep emerald green coloration in the upper half and a more olive green in the lower half. Fantastic color and mostly gem quality with just a few interanl veils. Undamaged. From a spectacular pocket opened in 2016. Weighs 2.7 grams.
T895 - Chrome Tourmaline $ 450 Commander Mine, Nadonjukin, Simanjiro, Tanzania thumbnail - 1.4 x 1 x 0.9 cm ![]() ![]() Terminated single gem crystal of Chrome Tourmaline which is a chromium and vanadium rich Dravite. Complete all around with deep emerald green coloration in the upper half and a more olive green at the base. Fantastic color and mostly gem quality with just a few interanl veils. Undamaged. From a spectacular pocket opened in 2016. Weighs 2.3 grams.
T897 - Chrome Tourmaline $ 600 Commander Mine, Nadonjukin, Simanjiro, Tanzania thumbnail - 2 x 1 x 0.7 cm ![]() ![]() ![]() Terminated single gem crystal of Chrome Tourmaline which is a chromium and vanadium rich Dravite. Complete all around with deep emerald green coloration in the upper half and a more olive green in the lower half. Fantastic color and mostley gem quality with just a few interanl veils. Undamaged. From a spectacular pocket opened in 2016. Weighs 2.7 grams.
T898 - Dravite $ 480 Mwajanga, near Komolo, Tanzania small cabinet - 5.5 x 2.7 x 1.5 cm ![]() ![]() ![]() ![]() Parallel, intergrown Dravite crystals. The crystals are dark and grade up to a clear zone followed by bright blue caps. Unlike most, the dark zone on these crystals are mostly transparent (see backlit photos). Hand picked from hundreds for quality.
T902 - Whiteite Rapid Creek, Yukon, Canada thumbnail - 1.7 x 1.5 x 1.3 cm ![]() ![]() ![]() Large, double-terminated single crystal with associated Quartz crystals. Undamaged, better than photos!
T906 - Bastnasite $ 350 Zagi Mountain, Peshawar, Pakistan thumbnail - 3.0 x 2 x 1.2 cm ![]() ![]() ![]() ![]() Well formed, complete single translucent yellow/brown Basnasite crystal. There is a small notch on the bottom where it was attached to another crystal. Undamaged and good on both sides.
T907 - Diaspore $ 350 Aydun, Mugula, Turkey small cabinet - 6.3 x 5 x 1.3 cm ![]() ![]() ![]() Single translucent to transparent crystal of Diaspore. This is rare material from old stocks in Turkey, no more is being found as the deposit has been exhausted. Though somewhat etched in appearance, this is a terminated crystal, which are uncommon. Gemstones cut from Diaspore are marketed as 'Zultanite".
T912 - Diamond $ 325 Zimbabwe thumbnail - 0.7 x 0.7 x 0.1 cm ![]() ![]() Polished slice of a Diamond crystal showing color zoning. For further information, read the article titled 'Optically-zoned (Star) Diamonds from Zimbabwe' in the March-April 2014 issue of Rocks and Minerals magazine.
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