Calcite

CalciteA gorgeous and aesthetic display specimen featuring notably lustrous, well formed, complex modified scalenohedral crystals with a translucent quality ranging from white to colorless in areas. The specimen grew in a stalactitic formation, with a central "core" upon which the Calcites grew. This historic copper mining district is best known for its beautiful Azurite and Malachite specimens, but the Calcites stand out as some of the best from Arizona.

but it has nice color and very good luster

combined with the fact that the stone is only slightly included

Almandine Garnets are some of the most vivid and beautiful gems in the Garnet family

No damage to speak of

and we were blown away by both the size and quality of these crystals

I'm told that the color is caused by nickel content

These are very well-formed crystals and are only very slightly skeletal or hoppered

blocky Amazonite crystals with a light blue-green color

A classic Topaz specimen from the famous Thomas Range in Utah

What makes this piece stand out from others I've seen from this area is the fact that it doesn't feature a lone "skull" but rather a semi-"flower"-shaped group featuring a few "skulls" with isolated "petals" of Copper flaring out from the sides

but their value seems to increase daily on the market

A very sharp