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Wallkilldellite
About
The Mn analogue of Wallkilldellite-(Fe).
Discovered: 1982
Type Locality
Sterling Mine, Sterling Hill, Ogdensburg, Franklin, Sussex County, New Jersey, USA
Mineral Data
Ca
2
Mn
3
2+
(AsO
4
)
2
(OH)
4
· 9H
2
O
Strunz:
8.DL.20
Physical Properties
Colour:
Dark red to nearly black
Crystal System:
Hexagonal
Streak:
Pale orange
Hardness:
3 -
Synonyms
Synonyms:
IMA1982-084, Wallkilldellite-(Mn)
