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, United States, though it can …

Mariposite is an informal name that has been used for green micas. It is also an informal name used for rocks containing green micas, quartz, carbonates, and other minerals that were altered by hydrothermal metamorphism.

Originally described from Mariposa Co., California, USA. No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care. https://www.mindat.org/min-10003.html Please feel free to link to this page.

2019年5月17日 · Mariposite is a combination stone that consists of green chromium that’s rich in mica within a white dolomitic marble. It usually exhibits green colors running through grey, cream, or white-colored host rocks. This stone comes from Mariposa County, California, hence the name. Why Would You Use Mariposite?

2019年9月5日 · To a lapidary, mariposite is quartz that is flecked or streaked with dark-green mica. To the rockhound, high-quality mariposite is beautiful and collectible. And of interest to everyone, mariposite may be the rock that started the California gold rush.

Mariposite is a metamorphic rock, well known for its shiny and reflective surface. It is also commonly referred to as “rainforest marble” or “birdseye rhyolite.” What Is The Composition Of Mariposite? It’s made up of chromium-rich green micas known as glauconite. Mariposite often contains quartz, feldspar, and other minerals.

Mariposite from Aguanga Mountain, Oak Grove, Aguanga Mountain Mining District (Smith Mountain Mining District), San Diego County, California, USA Photos Maps Search

Mariposite is colored a distinctive green by the presence of chromium and is often found mixed with white dolomitic marble and Quartz. This combination of deep green and bright white makes for an attractive cabochon (see picture above).

Mariposite Green form of Muscovite mica in small dense flake groups found in Mariposa (and Tuolumne) County, California. A combination of the green mica and the veins or base material forms a rock which is also called Mariposite, and it is sometimes used as an ornamental stone.

There are several good places to rockhound in Mariposa County, most of them at old mines or historical claims. The area around Coulterville is a particularly good area to look for rocks and minerals. You can find a variety of specimens including jade, …