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Crocoite | ‪#‎Geology‬

Formula:Pb(CrO4)
System:Monoclinic
Colour:Orange, red, yellow; ...
Lustre:Adamantine
Hardness:2½ - 3

Dundasite | ‪#‎Geology‬

Formula:PbAl2(CO3)2(OH)4 · H2O
System:Orthorhombic
Colour:White to colourless to ...
Hardness:2


photo:
Dundasite (white) and Crocoite (red orange)
from Dundas, Tasmania.
23x34 mm

Copyright © JJ Harrison

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