Ludlamite

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Ludlamite
2V angle
Measured: 82°
References[2][3][4]

Ludlamite is a rare phosphate mineral with chemical formula (Fe,Mn,Mg)3(PO4)2·4H2O. It was first described in 1877 for an occurrence in Wheal Jane mine in Cornwall, England and named for English mineralogist Henry Ludlam (1824–1880).

Occurrence

It occurs in

hydrothermal alteration product of earlier phosphate bearing minerals in a reducing environment.[4] It occurs associated with whitlockite, vivianite, triploidite, triplite, triphylite, siderite, phosphoferrite, fairfieldite and apatite.[2]

References

External links

Media related to ludlamite at Wikimedia Commons