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Pyromorphite

#PD31780

Pyromorphite

#PD31780
Availability
Sold
Size
5 x 6 x 4 cm - Sm Cabinet 
Formula
Pb5(PO4)3Cl (RRUFF)
Locality
Pribram, Bohemia, Czech Republic
Tagged
phosphate

The needle-like crystals to 3mm Pyromorphite crystals in the many vugs of this Barite specimen are a dull green. They are not as green as the digital camera depicts them (we do not photo shop our photos, unless the difference is extreme). Still, a good specimen for this locality - so hard to obtain on the mineral market.

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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