Andradite
| Andradite andradite | |
|---|---|
 | |
| Classification | Silicate mineral |
| Chemical formula | Ca3Fe2(SiO4)3 |
| Crystal system | Tesseral system |
| Pass, and come; open | Unavailable |
| Mohs scale | 7 |
| Luster | Glass luster |
| Color | 褐赤色, yellow green |
| Mark left on a bullet | White |
| Specific gravity | 3.9 |
| A project: Mineral /Portal: Earth science | |
The andradite (かいてつざくろいし, andradite, andradite [1]) is a kind of the minerals (silicate mineral). According to the Japanese name, the chemical composition is Ca3Fe3+2(SiO4)3 with garnet full of calcium and iron. A crystal system is a tesseral system.
スカルン mineral to produce with grossular in スカルン.
The crystal having high transparency of the apple-green is treated as a jewel called demantoid (Demantoid). Popularity is high in the United States.
Table of contents
Footnote
- ^ Ministry of Education "academic vocabulary earth science" Japan Society for the Promotion of Science, 1984. ISBN 4-8181-8401-2。
Allied item
References
- Michiaki Bunno, Masahiro Aoki "search guide mineral, rock" childcare company, 1996. ISBN 4-586-31040-5。
- Satoru Matsubara "mineral Gakken 〈 field best illustrated book 〉, 2003 of Japan." ISBN 4-05-402013-5。
- Satoru Matsubara, Norio Miyawaki "mineral catalogue Tokai University publication society 〈 National Science Museum library 〉, 2006 from Japan." ISBN 978-4-486-03157-4。
- National Astronomical Observatory "science chronological table 2008" Maruzen, 2007. ISBN 978-4-621-07902-7。
Outside link
- Andradite (mindat.org) (English)
- Andradite Mineral Data (webmineral.com) (English)
- Garnet group (earth resources theory laboratory)
This article is taken from the Japanese Wikipedia Andradite
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