2.1" Green Prehnite Crystal Cluster - Morocco

This is a specimen of green prehnite found in Morocco. The prehnite crystals formed in seemingly striated patterns in a bunched up aggregation. There appears to be small acicular epidote inclusions on this specimen.

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

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DETAILS
SPECIES
Prehnite
LOCATION
Imilchil, Midelt Province, Morocco
SIZE
2.1 x 1.6"
CATEGORY
ITEM
#205130