Aragonite

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Physical & Optical Properties

Mohs Hardness 3.5 – 4.0
Specific Gravity 2.93 – 2.96
Refractive Index 1.525 – 1.686
Crystal System Orthorhombic
Luster Vitreous
Cleavage Distinct
Fracture Sub-Conchoidal
Color various
Birefringence 0.155
Pleochroism Strong

Mohs Hardness

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

Value & Market

Price Tier Budget (< $50/ct)

About Aragonite

文石是碳酸钙的一种矿物多形体,与方解石成分相同但晶体结构不同。这种矿物以西班牙阿拉贡地区命名,呈现出白色、黄色、橙色或蓝色,具有玻璃至树脂光泽。珍珠和珍珠母的主要成分正是文石,因此文石是最具经济价值的矿物之一。摩洛哥出产的蓝色文石标本尤为珍贵。

Science FYI Family

Frequently Asked Questions

What is Aragonite?
文石是碳酸钙的一种矿物多形体,与方解石成分相同但晶体结构不同。这种矿物以西班牙阿拉贡地区命名,呈现出白色、黄色、橙色或蓝色,具有玻璃至树脂光泽。珍珠和珍珠母的主要成分正是文石,因此文石是最具经济价值的矿物之一。摩洛哥出产的蓝色文石标本尤为珍贵。
What is the hardness of Aragonite?
Aragonite has a Mohs hardness of 3.5 to 4.0, making it relatively soft for use in jewelry.
What color is Aragonite?
Aragonite is primarily Various.
How much does Aragonite cost?
Aragonite falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Aragonite?
Aragonite belongs to the Orthorhombic crystal system.

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