Zodacite

General Information:
 Chemical Formula:
Ca4Mn++Fe+++4(PO4)6(OH)4·12(H2O)
 Composition:
(Molecular Weight = 1,292.68 gm)
Calcium 12.40 % Ca
Manganese 4.25 % Mn
Iron 17.28 % Fe
Phosphorus 14.38 % P 
Hydrogen 2.18 % H 
Oxygen 49.51 % O 
 Empirical Formula:
Ca4Mn2+Fe3+4(PO4)6(OH)4·12(H2O)
 IMA Status:
Approved IMA
 Locality:
Mangualde pegmatite, Beira, Protugal.
 Name Origin:
Named for Peter Zodac (1894-1967), founder and editor of Rocks and Minerals.
Physical Properties:
 Cleavage:
[010] Good
 Color:
light yellow, medium yellow, or colorless.
 Density:
2.68
 Diaphaniety:
Transparent
 Habits:
Radial - Crystals radiate from a center without producing stellar forms (e.g. stibnite), ,
 Hardness:
4 - Fluorite
 Luminescence:
Non-fluorescent.
 Luster:
Vitreous (Glassy)
 Streak:
yellow white
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