1.9" Orange Creedite Crystal Cluster - Durango, Mexico

This is a cluster of radiating orange creedite crystals. The creedite crystals are transparent, with orange limonite inclusions that give them their color. This specimen was collected from the Navidad Mine near Durango, Mexico.

Creedite is a complex aluminum salt with the chemical formula of Ca3SO4Al2F8(OH)2 · 2H2O. It typically forms from metamorphic rock as a fluorite oxidation in fluorite ore deposits. Generally crystals form in radial aggregations, but under rare circumstances will form as single prismatic crystals up to 1 millimeter long. Creedite has been found in a variety of different colors, but most often displays orange, purple, or clear colorless crystals.
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DETAILS
SPECIES
Creedite
LOCATION
Navidad Mine, Durango, Mexico
SIZE
1.9" wide
CATEGORY
ITEM
#99193