Mellite

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Physical & Optical Properties

Category Organic Gems
Mohs Hardness 2.0
Specific Gravity 1.58 – 1.6
Refractive Index 1.509 – 1.541
Crystal System Tetragonal
Luster Vitreous,Resinous
Cleavage Indistinct
Fracture Conchoidal
Color various
Birefringence 0.03
Pleochroism Weak: yellowish brown - yellow

Mohs Hardness

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

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About Mellite

蜜石(蜂蜜石)是一种独特的水合苯六甲酸铝矿物——极少数有机宝石矿物之一,形成透明至半透明的蜂蜜黄至橙棕色四方晶体,具有蜡状至树脂光泽,极为稀少。蜜石于1789年首次描述于德国萨克森州(布劳尼斯多夫),是在煤层中产于木质素腐植酸环境中的有机矿物,化学式为Al₂(C₆(COO)₆)·16H₂O。其摩氏硬度约2至2.5,质地极软且脆,不适合用于首饰,主要以精美矿物标本形式出现于顶级矿物收藏市场。重要产地包括德国(萨克森、波西米亚)和捷克(北波希米亚),已知宝石级品质晶体极为罕见。

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Frequently Asked Questions

What is Mellite?
蜜石(蜂蜜石)是一种独特的水合苯六甲酸铝矿物——极少数有机宝石矿物之一,形成透明至半透明的蜂蜜黄至橙棕色四方晶体,具有蜡状至树脂光泽,极为稀少。蜜石于1789年首次描述于德国萨克森州(布劳尼斯多夫),是在煤层中产于木质素腐植酸环境中的有机矿物,化学式为Al₂(C₆(COO)₆)·16H₂O。其摩氏硬度约2至2.5,质地极软且脆,不适合用于首饰,主要以精美矿物标本形式出现于顶级矿物收藏市场。重要产地包括德国(萨克森、波西米亚)和捷克(北波希米亚),已知宝石级品质晶体极为罕见。
What is the hardness of Mellite?
Mellite has a Mohs hardness of 2.0, making it relatively soft for use in jewelry.
What color is Mellite?
Mellite is primarily Various.
How much does Mellite cost?
Mellite falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Mellite?
Mellite belongs to the Tetragonal crystal system.

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