Dolomite snowflake (dolomite ps. after aragonite), twinned Coprolite peridotite

peridotite

This piece has some limited reaction

The broken ends reveal the first generation of growth was icy clear colorless quartz

They are pretty friendly and unafraid of handling

These pieces can be fascinating to study up-close

Dolomite snowflake (dolomite ps. after aragonite), twinned Coprolite peridotiteLocale: 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