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Specimen# CO712B198
This piece features several superb
This particular piece is a remarkable
and while the main Brookites are undamaged
Ametrine (natural bi-color Quartz) Smithsonite Specimen# CO712B198Ametrine is the naturally occurring bi colored variety of Quartz that is only found at the Anahi Mine in Bolivia. The most alluring aspect of Ametrine is the fact that it shows distinct purple (AMEthyst) and yellow (ciTRINE) zoning where the purple sections are situated along the positive {r} rhombohedral faces, and the alternating yellow sections are positioned under the negative {z} rhombohedral faces. This growth forms an alternating "radiation"
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