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Walter R. Kellogg

 

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Mineral Specimen #4561    Sphalerite variety: Marmatite

Nentsberry Haggs Mine, Nent Valley, Alston Moor District, Cumbria, England

6.7 x 6.1 x 3.6 cm

$75      Click here to order this mineral.                                                                                                                                                              

Ex. H. R. McBroom, trade from Sam Weller, 1982


Black colored Sphalerite crystals with a very high metallic luster and with the many small crystals faces, the specimen has a lot of sparkle. Many of the crystals have curved edges and surfaces and a couple have an appearance similar to garnet. Marmatite is a varietal name for black colored, iron rich Sphalerite.

Condition: Good

Flaws: There is area along the edges where there are no intact crystals. There are a few places where the intact crystals have minor bruising.

This mineral is also found in the following galleries: Minerals From Europe | Sulfides and Sulfosalts | Minerals Priced Between 50 and 99 Dollars

This mineral is also found in the following galleries: Minerals From Europe | Sulfides and Sulfosalts | Minerals Priced Between 50 and 99 Dollars