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Walter R. Kellogg


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Mineral Specimen #6707    Moraesite, Leucophosphite on Zanassite and Beryllonite

Fazenda (farm) Pomarolli, Linopolis, Divino das Laranjeiras, Minas Gerais, Brazil

4.9 x 3.9 x 2.9 cm
1.9 x 1.5 x 1.1 in


Ex. Luiz Menezes

Be2(PO4)(OH)·4H2, KFe3+2(PO4)2(OH)·2H2O on Ca2Mg5Be4(PO4)6(OH)4·6H2O and NaBePO4

This specimen is composed of four, relatively rare, beryllium bearing phosphates. The Moraesite is present as thin, white to off-white colored, radiating, needle like crystals covering much of the surfaces. In places, there are spherical aggregates of green/brown colored Zanazziite (near the top of the specimen in the photos of the full specimen). There is a little bit of Leucophosphite covering some of these Zanazziite aggregates present as a white colored, earthy material. The underlying matrix is composed of an unidentified earthy brown colored material which has a few embedded, blocky of sections white colored, massive Beryllonite.

Condition: Good

Flaws: There are areas where the matrix is exposed.

This mineral is also found in the following galleries: Minerals From Brazil | Phosphates | Rare Minerals | Minerals Priced Between 50 and 99 Dollars