Pyromorphite

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Physical & Optical Properties

Mohs Hardness 3.5 – 4.0
Specific Gravity 6.5 – 7.1
Refractive Index 2.042 – 2.059
Crystal System Hexagonal
Cleavage Imperfect
Fracture Sub-Conchoidal
Color various
Birefringence 0.01
Pleochroism Weak

Mohs Hardness

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

ピロモルファイト(緑鉛鉱)は、鮮やかな緑・黄・橙・茶色を示す鉛リン酸塩塩化物鉱物で、バレル型六方晶系結晶が樹脂〜ダイヤモンド光沢と共に産します。鉛鉱床の酸化帯に二次鉱物として産し、世界で最も視覚的に壮観な鉱物標本の一つに数えられています。中国・ドイツ・米国アイダホ州が著名産地で、鮮烈な色彩と良形結晶によりコレクターに常に高人気を誇っています。

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Frequently Asked Questions

What is Pyromorphite?
ピロモルファイト(緑鉛鉱)は、鮮やかな緑・黄・橙・茶色を示す鉛リン酸塩塩化物鉱物で、バレル型六方晶系結晶が樹脂〜ダイヤモンド光沢と共に産します。鉛鉱床の酸化帯に二次鉱物として産し、世界で最も視覚的に壮観な鉱物標本の一つに数えられています。中国・ドイツ・米国アイダホ州が著名産地で、鮮烈な色彩と良形結晶によりコレクターに常に高人気を誇っています。
What is the hardness of Pyromorphite?
Pyromorphite has a Mohs hardness of 3.5 to 4.0, making it relatively soft for use in jewelry.
What color is Pyromorphite?
Pyromorphite is primarily Various.
How much does Pyromorphite cost?
Pyromorphite falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Pyromorphite?
Pyromorphite belongs to the Hexagonal crystal system.

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