4.8" Botryoidal Prehnite and Epidote - Mali

This is a 4.8" wide association of translucent, botryoidal green prehnite with dark-green epidote, collected from the Kayes Region of Mali, Africa.

Prehnite is a calcium aluminum silicate with the chemical composition Ca2Al(AlSi3O10)(OH)2. It generally occurs as volcanic cavity infillings. It often displays colors between yellow and green, but colorless and blue specimens are not unheard of.

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DETAILS
SPECIES
Prehnite & Epidote
LOCATION
Kayes Region, Mali, Africa
SIZE
4.8" wide
CATEGORY
ITEM
#220617