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Details of the wood surface pattern and knots can be made out on the sides
Realgar contains arsenic
A coprolite is fossilized excrement
a type of feldspar commonly associated with black tourmaline
The piece appears finely dusted with cinnamon brown color: this is hematite which causes the red and brown coloration of the mineral
Dolomite snowflake (dolomite ps. after aragonite) Magnetite Details of the wood surfaceLocale: Roswell, New Mexico Approx dimensions: 1. 5 x 1. 25" Approx weight: 85g 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 retain the
