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Paracelsian

#PD33652

Paracelsian

#PD33652
Availability
Sold
Size
7 x 4.5 x 6 cm - Sm Cabinet 
Formula
BaAl2Si2O8 (RRUFF)
Locality
Banallt mine, Rhiw, Caenarvonshire, Wales

Paracelsian is a very rare barium feldspar found in three localities worldwide. The crystals are monoclinic with long tapering chisel points {110} dominating the prism sides. This is the type locality from a deposit "in a band through sandstone and shale, associated with a metamorphosed manganese deposit"......(Handbook of Mineralogy). Old Hugh Ford label.

Type Locality

Paracelsian

Formula
BaAl2Si2O8 
Crystal System
Monoclinic 
Crystal Habit
Pseudo Orthorhombic 
Cleavage
Indistinct, None, None 
Luster
Vitreous (Glassy) 
Color
colorless, white 
Streak
white 
Class
Monoclinic - Prismatic 
Fracture
Brittle - Uneven 
Hardness

Data courtesy of Webmineral.

Collection
Phillips Collection
Special Info
Type Locality

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