Magnesite

Magnesite deposit
Classification	Carbonate mineral
Chemical formula	MgCO3
Crystal system	Trigonal system
Pass, and come; open	Available
Mohs scale	4
Luster	Glass luster
Color	Colorlessness, white
Mark left on a bullet	White
Specific gravity	3.0
A project: Mineral /Portal: Earth science
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Wiki media Commons has the category in conjunction with the magnesite deposit.

The magnesite deposit (りょうくどせき, magnesite, magnesite) is a kind of the minerals (carbonate mineral). I say the magnesite (let's urge Ryo). I belong to the calcite group.

The composition forms consecutive solid solution of magnesium carbonate (MgCO₃) between the siderite (FeCO₃). Trigonal system。 That the pure thing is transparent is white, but there is the thing which includes impurities, and has the color. Specific gravity3.0。 Mohs scale3.5-4.5。

Table of contents

Use, processing method

I am confused with a how light and may be sold. Most of beads of the circulating how light are magnesite now. In addition, it is the stone which dyes it as a substitute of turquoise and the lapis lazuli, and is often used.

ブロイネル stone

Subspecies to include some iron are called ブロイネル stone (breunnerite).

Allied item

• Mineral - carbonate mineral
• Mineral list
• Magnesium, magnesium carbonate
• Siderite (FeCO₃)
• Dolomite (CaMg(CO₃)₂)
• Calcite (CaCO₃)

References

• For Yoshimasu Kuroda, Kanenori Suwa "polarizing microscope and rock mineral second edition" Kyoritsu publication, 1,983 years, it is ISBN 4-320-04578-5.
• For Satoru Matsubara, Norio Miyawaki "National Science Museum library 5 mineral catalogue Tokai University publication society from Japan", 2,006 years, it is ISBN 978-4-486-03157-4.
• It is ISBN 4-621-07763-5 for Maruzen, 2,006 years in National Astronomical Observatory "science chronological table 2007".

Outside link

• Magnesite (mindat.org)
• Magnesite Mineral Data (webmineral.com)

This item is an unfinished item in conjunction with the minerals. I demand the cooperator who corrects it, and corrects this item (a project: mineral /Portal: earth science).

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This article is taken from the Japanese Wikipedia Magnesite

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