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It is often cut into flat slabs to best show the layering
Microcline is a type of feldspar that forms opaque blocky geometric crystals
Purple Rain specimens typically appear a murky dark purple-gray color under incandescent light (indoor lighting)
These pieces can be fascinating to study up-close
Dolomite snowflake (dolomite ps. after aragonite), twinned Coprolite It is often cut intoLocale: Roswell, New Mexico Approx dimensions: 2. 5 x 2. 25 x 1. 5" Approx weight: 203g These unusual pseudomorphs of dolomite after aragonite have earned the name snowflake because of their hexagonal shape which is often striated to give the mineral an appearance like a chunky snowflake. Pseudomorph means the mineral initially grew as aragonite, and then through geological processes the aragonite was replaced with dolomite. The new mineral will
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