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The piece was difficult to photograph
mostly on the back / sides of the piece
The gentle color is caused by minor amounts of iron oxide
but it appears that the rich color is due to a micro coating of transparent Quartz on top of the Vauxite
these new pieces from Mexico show a brilliant glowing green fluorescence under SW UV light
Quartz (var: Smoky) on Microcline bi-color The piece was difficult toSeveral wonderful, sharp, very well formed, euhedral, DARK Smoky Quartz crystal with lustrous faces sit atop a thin plate of crystallized pink Microcline. A great representative specimen from this productive pegmatite locality in Colorado. Specimen# CO712B179
US$ 25.20
US$ 26.40
US$ 47.65
US$ 39.00
US$ 131.67
US$ 29.00
