Geode lined with sprays of colorless Aragonite crystals to about 2mm. The slender and tapering crystals are characteristic of Aragonite. There is no Kutnohorite on the specimen.
Aragonite
Formula
CaCO3
Crystal System
Orthorhombic
Crystal Habit
Pseudo Hexagonal, Columnar, Fibrous
Cleavage
Distinct, None, None
Luster
Vitreous (Glassy)
Color
colorless, white, gray, yellowish white, reddish white