TRQ104 Cananea Turquoise Books Polished black obsidian pyramid with

Polished black obsidian pyramid with a flat base

their shapes

The chemical formula for selenite is O3Se-2

Gau and Guenie

my brother-in-law

TRQ104 Cananea Turquoise Books Polished black obsidian pyramid withThis genuine piece of turquoise is from Cananea in Sonora, Mexico. It is an oblong piece in strong cyan blue with darker veining. It has been lightly tumbled to smooth out the sides. 4. 5cm x 2. 5cm x 1. 5cm 20g Turquoise is a microcrystalline phosphate mineral that has been used for jewelry and adornment since the fifth millennium BC. Its classic blue color comes primarily from copper, with the different shades resulting from the presence of other