Bertrandite March birthstone deep golden color Pyrite octahedral

deep golden color Pyrite octahedral and micro Quartz crystals

It is definitely one of the best blue color crystals of this material that I've seen from Idaho

I won’t call them Aquamarines

One of the very few Quartz specimens that I’ve had to offer from the Osceola Mine

Specimen #BURMA22101

Bertrandite March birthstone deep golden color Pyrite octahedralBetrandite is a fairly rare beryllium silicate, and crystals are typically small worldwide, usually less than 1 cm. These new specimens from Golconda feature crystals measuring OVER 3 cm(!) which is world class for the species. Not only are these monstrous crystals, but the quality is as good as it gets showing a glossy vitreous luster and a gorgeous porcelain white hue. This particular piece features a pair of top quality, highly lustrous, layered