Augelite

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Physical & Optical Properties

Mohs Hardness 4.5 – 5.0
Specific Gravity 2.7 – 2.75
Refractive Index 1.57 – 1.591
Crystal System Monoclinic
Fracture Conchoidal
Color various
Birefringence 0.02
Pleochroism Nil

Mohs Hardness

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

Crystal System

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

Value & Market

Price Tier Budget (< $50/ct)

About Augelite

磷铝石是一种罕见的铝磷酸盐矿物,通常形成无色至白色、淡黄色或淡粉色的板状晶体,具有珍珠至玻璃光泽。宝石级磷铝石晶莹透明,但因其稀少性和较低的硬度,主要作为矿物标本和宝石收藏珍品。玻利维亚和秘鲁是已知的重要产地。

Science FYI Family

Frequently Asked Questions

What is Augelite?
磷铝石是一种罕见的铝磷酸盐矿物,通常形成无色至白色、淡黄色或淡粉色的板状晶体,具有珍珠至玻璃光泽。宝石级磷铝石晶莹透明,但因其稀少性和较低的硬度,主要作为矿物标本和宝石收藏珍品。玻利维亚和秘鲁是已知的重要产地。
What is the hardness of Augelite?
Augelite has a Mohs hardness of 4.5 to 5.0, making it relatively soft for use in jewelry.
What color is Augelite?
Augelite is primarily Various.
How much does Augelite cost?
Augelite falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Augelite?
Augelite belongs to the Monoclinic crystal system.

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