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Pyromorphite

#PD33061

Pyromorphite

#PD33061
Availability
Sold
Size
7.5 x 8 x 3 cm - Sm Cabinet 
Formula
Pb5(PO4)3Cl (RRUFF)
Locality
Pribram, Bohemia, Czech Republic
Tagged
phosphate

An old-timer with a label on the specimen and old Witringham label. The specimen is a little grungy, but has good coverage of tiny less than 1mm hexagonal, green crystals in the many vugs.

Pyromorphite

Formula
Pb5(PO4)3Cl 
Crystal System
Hexagonal 
Crystal Habit
Crystals short to long prismatic, acicular, often hoppered terminations, rarely tabular to equant; radiating to branching groups, tapering to a point. Commonly rounded, globular, reniform, botryoidal. 
Cleavage
On {1011}, interrupted 
Luster
Resinous to subadamantine 
Color
Dark grass-green, green, yellow, yellow-orange, reddish orange, yellow-brown, brown, tan, grayish, may be colorless 
Streak
White 
Geological Setting
A secondary mineral in the oxidized zone of lead deposits 
Class
Hexagonal, 6/m - Dipyramidal 
Fracture
Uneven to subconchoidal 
Hardness
3.5–4 

Data courtesy of Webmineral.

Collection
Phillips Collection

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