Red Beryl from Wah Wah Mountains, Utah

 

M & W Minerals

Walter R. Kellogg

 

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Mineral Specimen #6306    3 Specimen Suite of Mariposite from 3 California locations - 1) Mariposite in Sericite, 2) Mariposite, 3) Mariposite, Quartz

1) San Francisquito Canyon, San Gabriel Mts, Los Angeles Co., California; 2) Harvard Mine, Jamestown, Tuolumne Co., California; 3) Mariposa Co., California

6.4 x 3.5 x 0.5 cm
Size is for specimen from LA county

$45      Click here to order this mineral.                                                                                                                                                              

1) Ex. University of Michigan Geology Department; 2) Ex. University of Michigan Geology Department, 1946; 3) Collected by John Siebel, c. 2000


Mariposite is a variety of Mica colored green by traces of Chromium. It is considered a variety of Phengite which Rieder et al. noted: in "Nomenclature of the Micas" from The Canadian Mineralogist: 36: 905-912. (1998) as " Potassic dioctahedral micas are between, or close to, the joins muscovite-aluminoceladonite and muscovite-celadonite (series)". The first specimen has bright green Mariposite in a fine grained, light gray/green colored Muscovite which is referred to as the varietal, Sericite. This is a very obscure location for which no photos have been posted on mindat. The second specimen is from the famous Harvard gold mine. Although Mariposite is listed on mindat, there are no posted photos. The third specimen is from the first recorded location from which the species derives its name.

Condition: Good

Flaws: Nothing Appreciable

This mineral is also found in the following galleries: Minerals From California and Nevada | Phyllosilicates | Quartz | Minerals Priced Between 25 and 49 Dollars

This mineral is also found in the following galleries: Minerals From California and Nevada | Phyllosilicates | Quartz | Minerals Priced Between 25 and 49 Dollars