Johachidolite

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Physical & Optical Properties

Mohs Hardness 7.5
Specific Gravity 3.45
Refractive Index 1.717 – 1.724
Crystal System Orthorhombic
Color various
Birefringence 0.007

Mohs Hardness

1 Talc 2 Gypsum 3 Calcite 4 Fluorite 5 Apatite 6 Orthoclase 7 Quartz 8 Topaz 9 Corundum 10 Diamond Johachidolite
Mohs hardness of Johachidolite shown against the ten reference minerals, from talc (1) to diamond (10).
Mohs Reference mineral Johachidolite
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 Moderate ($50-500/ct)

About Johachidolite

若地石是一种极为罕见的钙铝氟硼酸盐矿物,通常呈无色至浅黄色,晶体具有玻璃光泽,透明度高。若地石最初发现于朝鲜半岛(若地是朝鲜地名),后来在缅甸也有少量发现。由于产量极为稀少,宝石级若地石在世界范围内仅有极少量标本流通,属于宝石收藏界的极品珍稀品种,主要以矿物标本和小型刻面宝石形式受到专业收藏家的珍藏。

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Jewelry Use

Durability 8/10

Suitable for daily wear

Science FYI Family

Frequently Asked Questions

What is Johachidolite?
若地石是一种极为罕见的钙铝氟硼酸盐矿物,通常呈无色至浅黄色,晶体具有玻璃光泽,透明度高。若地石最初发现于朝鲜半岛(若地是朝鲜地名),后来在缅甸也有少量发现。由于产量极为稀少,宝石级若地石在世界范围内仅有极少量标本流通,属于宝石收藏界的极品珍稀品种,主要以矿物标本和小型刻面宝石形式受到专业收藏家的珍藏。
What is the hardness of Johachidolite?
Johachidolite has a Mohs hardness of 7.5, making it excellent for use in jewelry.
What color is Johachidolite?
Johachidolite is primarily Various.
How much does Johachidolite cost?
Johachidolite falls into the Moderate ($50-500/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Johachidolite?
Johachidolite belongs to the Orthorhombic crystal system.

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