Earlshannonite

General Information:
 Chemical Formula:
(Mn,Fe++)Fe+++2(PO4)2(OH)2·4(H2O)
 IMA Status:
Approved IMA 1983
Physical Properties:
 Cleavage:
[???] Good, [???] Good
 Color:
yellow or reddish brown.
 Density:
2.9
 Diaphaniety:
Transparent to Translucent
 Hardness:
3-4 - Calcite-Fluorite
 Luster:
Vitreous (Glassy)
More details...