Fluorite, Quartz

Specimen ID: TLN-70Y

Fluorite : CaF2
Quartz : SiO2
Mindat locality:
11.5cm x 12cm x 5.5cm

Photo added to mindat.org

Richly colored fluorite with multiple stages of growth, resulting different color of fluorite on iron stained quartz. At first the fluorite crystallized as octahedrons with sea-green cores, rimmed by blue - then purple rim., then folowed by latest nearly color-less cubic epitactic growth. Very nice when backlit.
James K. C. Huang - 22nd May 2016
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