Charlesite

Type Locality

Franklin Mine, Franklin, Franklin Mining District, Sussex Co., New Jersey, USA

Mineral Data

Ca₆(Al,Si)₂(SO₄)₂[B(OH)₄](OH,O)₁₂·26H₂O

Strunz:

7.DG.15

Physical Properties

Streak:

White

Hardness:

2.5

Tenacity:

brittle

Tabs

Locality List

References

Mindat URL:

http://www.mindat.org/min-971.html