Phosgenite

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Physical & Optical Properties

Category Collector Gems
Mohs Hardness 2.0 – 3.0
Specific Gravity 6.13
Refractive Index 2.117 – 2.145
Crystal System Tetragonal
Cleavage Perfect
Fracture Conchoidal
Color various
Birefringence 0.028
Pleochroism Weak

Mohs Hardness

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

Crystal System

a b c Tetragonal a = b ≠ c, α = β = γ = 90°

Value & Market

Price Tier Budget (< $50/ct)

Where to Buy Phosgenite

Amazon Wide selection

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About Phosgenite

フォスジェナイトは、稀少な鉛炭酸塩塩化物鉱物で、鉛鉱床の酸化帯に産し、無色〜淡黄・白・淡褐色の正方晶系柱状結晶をダイヤモンド〜樹脂状光沢と共に形成します。ホスゲン（塩化カルボニル）成分の含有に由来して命名され、イタリア・サルデーニャ島モンテポーニ、英国ダービシャー州マトロック、オーストラリア・ニューサウスウェールズ州ブロークンヒルが著名産地です。高い屈折率によるダイヤモンド光沢を持つ透明切り石は稀少なコレクター宝石として知られています。

On this page

Jewelry Use

Durability 1/10

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Frequently Asked Questions

What is Phosgenite?
フォスジェナイトは、稀少な鉛炭酸塩塩化物鉱物で、鉛鉱床の酸化帯に産し、無色〜淡黄・白・淡褐色の正方晶系柱状結晶をダイヤモンド〜樹脂状光沢と共に形成します。ホスゲン（塩化カルボニル）成分の含有に由来して命名され、イタリア・サルデーニャ島モンテポーニ、英国ダービシャー州マトロック、オーストラリア・ニューサウスウェールズ州ブロークンヒルが著名産地です。高い屈折率によるダイヤモンド光沢を持つ透明切り石は稀少なコレクター宝石として知られています。
What is the hardness of Phosgenite?
Phosgenite has a Mohs hardness of 2.0 to 3.0, making it relatively soft for use in jewelry.
What color is Phosgenite?
Phosgenite is primarily Various.
How much does Phosgenite cost?
Phosgenite falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Phosgenite?
Phosgenite belongs to the Tetragonal crystal system.