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Description

Lapis 12mm Coin 8-InchLapis, or Lapis Lazuli, is a deep blue metamorphic rock used as a semi precious stone that has been prized since antiquity for its intense color. During the Renaissance, Lapis was ground and processed to make the pigment ultramarine for use in frescoes and oil painting. It is not a mineral, but a combination of minerals, including lazurite, calcite, sodalite and pyrite. Note: Our 8 inch line of Lapis has had its color enhanced by dyeing.

or color-enhanced

its variations seem to depict landscapes and other images

Hematite is black to steel to gray or silver to gray

Sard is not Onyx

Quartz has been highly valued by virtually every civilization throughout history

or merlinite

The blue colors are photosensitive and may fade when exposed to excessive light or heat

First described in 1881

with occasional inclusions of creamy white and dark grey

It is a phyllosilicate composed of silicon

It is a member of the Quartz family

Brazilian Amazonite is an opaque blue to green to light green stone