Marble (with tremolite)

Marble tremolite

Marble

Marble consisting of medium-grained white crystalline calcite and dolomite, and green crystals of tremolite. This is a sample of high-grade dolomitic marble (pinkish white) that started to transition into a higher grade of metamorphic rock where the carbonate mineral started to break down (loosing CO(sub>2, leaving behind crystals of green tremolite in a radiating crystal patterns.
https://gotbooks.miracosta.edu/rocks/metamorphic/10.html 2/2/2021