13.3" Green Prehnite Crystal Cluster on Rock - Morocco

This is a specimen of green prehnite still on the rock it was found on, collected in Morocco. The prehnite crystals formed in seemingly striated patterns, all bunched up next to each other with rectangular, "bowtie" crystal structures.

About Prehnite

Prehnite is a translucent to transparent mineral typically ranging in color from pale green to yellow-green, though it can also appear white, gray, or colorless. It often forms in botryoidal, globular, or crystalline habits and has a vitreous to pearly luster. Prehnite is a calcium aluminum silicate hydroxide and is commonly associated with zeolites in the cavities of volcanic rocks. It has a Mohs hardness of 6 to 6.5 and is found in locations worldwide, including South Africa, Australia, China, and the United States.
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DETAILS
SPECIES
Prehnite
LOCATION
Imilchil, Midelt Province, Morocco
SIZE
13.3 x 7.9 x 5.2"
CATEGORY
ITEM
#127505