Cross-section of a rock with mariposite.

Mariposite is a mineral which is a chromium-rich variety of mica, which imparts an attractive green color to the generally white dolomitic marble in which it is commonly found. It was named for Mariposa, California, though it can be found in several places in the Sierra Nevada mountains, and in a few locations in Canada and Europe. Cross-section of a rock with mariposite. ... Cross-section of a rock with mariposite. ... Minerals are natural compounds formed through geological processes. ... Mariposa is an unincorporated community and census-designated place that serves as the county seat of Mariposa County, California. ... The Sierra Nevada is a mountain range that is almost entirely in the eastern portion of the U.S. state of California. ... European redirects here. ...

It is not an officially classified mineral, but is a chromium-rich phengite, which is a high silica variety of muscovite, a mica. The chemical formula is K(Al,Cr)₂(Al,Si)₄O₁₀(OH)₂. It is the chromium that gives it its distinctive green color. Muscovite layer Muscovite, also known as potash mica, is a phyllosilicate mineral of aluminium and potassium with formula: KAl2(AlSi3O10)(F,OH)2. ... rock with mica Mica sheet mica flakes The mica group of minerals includes several closely related materials having highly perfect basal cleavage. ... General Name, Symbol, Number chromium, Cr, 24 Chemical series transition metals Group, Period, Block 6, 4, d Appearance silvery metallic Atomic mass 51. ...

The term "mariposite" also refers to the stone in which the green mica is found. This stone is marble, containing varying amounts of dolomite and quartz. Larger proportions of quartz give it a more attractive, translucent appearance. It is used as a decorative construction material, in walls, monuments, and bridges. It is also made into jewelry. This jewelry is sometimes sold under the trade name "Emerald Quartz". The rocky side of a mountain creek near Orosí, Costa Rica. ... Venus de Milo, front. ... Dolomite crystals from Touissite, Morocco Dolomite is the name of both a carbonate rock and a mineral consisting of calcium magnesium carbonate (formula: CaMg(CO3)2) found in crystals. ... Quartz is amongst one of the most common minerals in the Earths continental crust. ... Jewelry (the American spelling; spelled jewellery in Commonwealth English) consists of ornamental devices worn by persons, typically made with gems and precious metals. ... A brand is a collection of images and ideas representing an economic producer; more specifically, it refers to the concrete symbols such as a name, logo, slogan, and design scheme. ...

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