Hollandite

Hollandite
General
Category Mineral
Formula
(repeating unit)
Ba(Mn4+6Mn3+2)O16
Strunz classification 4.DK.05a
Dana classification 7.9.1.1
Identification
Color Silvery-grey to greyish
Crystal system Monoclinic
Cleavage Distinct / Good, Prismatic
Mohs scale hardness 4 to 6
Density 4.95[1]

Hollandite is an oxide mineral. It was discovered in the Kajlidongri Mine Jhabua district, Madhya Pradesh. It was described by Lewis Leigh Fermor and named after Thomas Henry Holland , the director of the Geological Survey of India.[2]

See also

References

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