Feldspar

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Peristerite White or Reddish Albite having a blue schiller.

Plagioclase Category:

Albite Pure Albite

Cleavelandite- Under Construction
A variety of albite forming thin blades, or the platey variety of albite

Bytownite 10% Albite/90% Anorthite

Sunstone 90% Albite/10%Anorthite A variety of plagioclase called oligoclase.

Andesine 70% Albite/30% Anorthite

Labradorite 30% Albite/70% Anorthite

Anorthite Pure Anorthite




Moonstone Is a very old and relative term. It can and has denoted any gem grade feldspar with a silver flash resembling the moon.

Orthoclase:

Adularia Transparent to opalescent, sometimes called moonstone.

Amazonite Green Microcline, a variety of Orthoclase.

Perthite Red Microcline, a variety of Orthoclase.

Sanidine Is the glassy variety of Orthoclase.

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