Montebrasite

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Physical & Optical Properties

Mohs Hardness 5.5 – 6.0
Specific Gravity 2.98 – 3.1
Refractive Index 1.578 – 1.646
Crystal System Triclinic
Luster Vitreous
Cleavage Perfect
Fracture Uneven,Sub-Conchoidal
Color various
Birefringence 0.02

Mohs Hardness

1 Talc 2 Gypsum 3 Calcite 4 Fluorite 5 Apatite 6 Orthoclase 7 Quartz 8 Topaz 9 Corundum 10 Diamond Montebrasite
Mohs hardness of Montebrasite shown against the ten reference minerals, from talc (1) to diamond (10).
Mohs Reference mineral Montebrasite
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 Triclinic a ≠ b ≠ c, α ≠ β ≠ γ ≠ 90°

Value & Market

Price Tier Budget (< $50/ct)

About Montebrasite

磷铝锂石是锂铝磷酸盐矿物(磷铝石族),为磷铝石的含羟基端员,通常呈白色、灰白色或淡绿色,玻璃光泽,透明至半透明。磷铝锂石主要产于富锂的花岗岩伟晶岩中,常与锂辉石、碧玺、绿柱石等矿物共生,是提炼锂矿石的潜在来源之一。宝石级磷铝锂石较为稀少,有时被切磨为弧面形宝石或刻面宝石供专业收藏,但在主流宝石市场中知名度较低。

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Frequently Asked Questions

What is Montebrasite?
磷铝锂石是锂铝磷酸盐矿物(磷铝石族),为磷铝石的含羟基端员,通常呈白色、灰白色或淡绿色,玻璃光泽,透明至半透明。磷铝锂石主要产于富锂的花岗岩伟晶岩中,常与锂辉石、碧玺、绿柱石等矿物共生,是提炼锂矿石的潜在来源之一。宝石级磷铝锂石较为稀少,有时被切磨为弧面形宝石或刻面宝石供专业收藏,但在主流宝石市场中知名度较低。
What is the hardness of Montebrasite?
Montebrasite has a Mohs hardness of 5.5 to 6.0, making it moderate for use in jewelry.
What color is Montebrasite?
Montebrasite is primarily Various.
How much does Montebrasite cost?
Montebrasite falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Montebrasite?
Montebrasite belongs to the Triclinic crystal system.

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