Olivine

(Mg,Fe)2SiO4

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マグネシウム・鉄ケイ酸塩で、地球のマントルに豊富に存在する。黄緑色で、高温環境で安定している。

晶系 Orthorhombic
鉱物分類 09 Silicates
モース硬度 6.5-7.0
比重 3.22-4.39
色 Green, yellow-green, olive green
光沢 Vitreous
条痕色 Colorless
劈開 Poor
断口 Conchoidal
透明度 Transparent
結晶習性 Granular, prismatic

モース硬度

Mohs Hardness: 6.5 – 7.0
1 Soft10 Hard

晶系

Orthorhombic

Explore on Science FYI

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Magnesium (Mg) Forsterite end-member (Mg₂SiO₄)
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Iron (Fe) Fayalite end-member (Fe₂SiO₄)
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Silicon (Si) Nesosilicate framework
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Peridot Gem-quality forsterite olivine

Frequently Asked Questions

What is the hardness of Olivine?
Olivine has a Mohs hardness of 6.5-7.0.
What crystal system does Olivine belong to?
Olivine crystallizes in the Orthorhombic crystal system.
What color is Olivine?
Olivine is typically Green, yellow-green, olive green.
What type of luster does Olivine have?
Olivine exhibits a Vitreous luster.
What is the chemical formula of Olivine?
The chemical formula of Olivine is (Mg,Fe)2SiO4.