Mineral description : Adelite

Mineral class	Phosphates : Vivianite - Skorodite - Triplite group. (Strunz Nr: 7/B.26-10)
Chemical formula	CaMg(OH)(AsO4)
Crystal system	Orthorombic.
Habitus	Massively and derb.
Cleavage
Hardness	5
Density	3.7
Color	Yellow, yellowish green to gray.
Streak
Luster	Resinous.
Description
Occurance
Associates
Notes	Type locality is Långban.
Locations	A rare mineral. Långban, Värmland. As grey hedyphanelike mineral in cracks in hausmannite bearing dolomite or yellow grains in calcite. Jakobsberg mine, Nordmark, Värmland.

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