Mimetite

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Physical & Optical Properties

Mohs Hardness 3.5
Specific Gravity 7.1
Refractive Index 2.106 – 2.263
Crystal System Hexagonal
Cleavage Imperfect
Fracture Sub-Conchoidal
Color various
Birefringence 0.018

Mohs Hardness

1 Talc 2 Gypsum 3 Calcite 4 Fluorite 5 Apatite 6 Orthoclase 7 Quartz 8 Topaz 9 Corundum 10 Diamond Mimetite
Mohs hardness of Mimetite shown against the ten reference minerals, from talc (1) to diamond (10).
Mohs Reference mineral Mimetite
1 Talc
2 Gypsum
3 Calcite
4 Fluorite
5 Apatite
6 Orthoclase
7 Quartz
8 Topaz
9 Corundum
10 Diamond

Crystal System

a a c Hexagonal a = b ≠ c, α = β = 90°, γ = 120°

Value & Market

Price Tier Budget (< $50/ct)

About Mimetite

ミメタイトは、鉛砒素リン酸塩鉱物で、黄色・橙色・茶色・無色のバレル状六方晶系結晶を形成し、樹脂光沢から亜ダイヤモンド光沢を示します。鉛鉱床の酸化帯に産し、ピロモルファイトと同族のダール石族に属します。メキシコのソノラ州(ヘルメア・サン・ペドロ鉱山)・ナミビア・英国デービシャーが著名産地で、深いオレンジ色の「カンパナ型」変種ミメタイトは特に人気の高いコレクター標本です。

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Frequently Asked Questions

What is Mimetite?
ミメタイトは、鉛砒素リン酸塩鉱物で、黄色・橙色・茶色・無色のバレル状六方晶系結晶を形成し、樹脂光沢から亜ダイヤモンド光沢を示します。鉛鉱床の酸化帯に産し、ピロモルファイトと同族のダール石族に属します。メキシコのソノラ州(ヘルメア・サン・ペドロ鉱山)・ナミビア・英国デービシャーが著名産地で、深いオレンジ色の「カンパナ型」変種ミメタイトは特に人気の高いコレクター標本です。
What is the hardness of Mimetite?
Mimetite has a Mohs hardness of 3.5, making it relatively soft for use in jewelry.
What color is Mimetite?
Mimetite is primarily Various.
How much does Mimetite cost?
Mimetite falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Mimetite?
Mimetite belongs to the Hexagonal crystal system.

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