Specimen #818

Name: Mimetite (var. Bellite)

Type: Micromount

Locality: La Poderosa Mine, Caracoles, Sierra Gorda District, Tocopilla Province, Antofagasta Region, Chile

Favorite? N

Fluorescent? N

Size:

Weight:

Acquired: 2008-10-05

Source: Simkev Micromounts

Label: N

Comment: Initially thought to be a supposed arsenate-chromate of lead associated with crocoite and mimetite (Magnet Mine, Tasmania). Analysis suggested a mixture of Crocoite, Mimetite and Quartz. It has also been suggested to be a 10:1 mixture of Cerussite and Crocoite. Discredited in 1993 and stated to be a Chromian Mimetite.

Minerals: Mimetite (Pb5(AsO4)3Cl)

There are 2 pictures on file

M00818-01.jpg:

Mimetite var. Bellite, Magnification: 15X, FOV: 9.0 x 6.0 mm

M00818-02.jpg:

Mimetite var. Bellite, Magnification: 25X, FOV: 5.4 x 3.6 mm