1.7" 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.

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
LOCATION
Imilchil, Midelt Province, Morocco
SIZE
1.7 x 1.45"
CATEGORY
ITEM
#205114