Norbergite
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Physical & Optical Properties
Category
Semi-Precious Gems
Mohs Hardness
6.0 – 6.5
Specific Gravity
3.177
Refractive Index
1.563 – 1.593
Crystal System
Orthorhombic
Luster
Vitreous,Resinous
Fracture
Uneven,Sub-Conchoidal
Color
various
Pleochroism
Pale yellow - very pale yellow - colorless
Mohs Hardness
| Mohs | Reference mineral | Norbergite |
|---|---|---|
| 1 | Talc | |
| 2 | Gypsum | |
| 3 | Calcite | |
| 4 | Fluorite | |
| 5 | Apatite | |
| 6 | Orthoclase | ● |
| 7 | Quartz | |
| 8 | Topaz | |
| 9 | Corundum | |
| 10 | Diamond |
Crystal System
Value & Market
Price Tier
Moderate ($50-500/ct)
Where to Buy Norbergite
Blue Nile
Fine jewelry retailer
James Allen
Gemstone jewelry
Brilliant Earth
Ethically sourced gems
Amazon
Wide selection
Links may earn a commission at no extra cost to you.
About Norbergite
诺伯格石是锌硼镁铝硅酸盐矿物（方柱石族），通常呈黄色至橙黄色，有时呈无色或白色，具有玻璃光泽，透明至半透明。诺伯格石产于含镁的接触变质岩（矽卡岩）中，与方柱石族其他矿物共生，以瑞典矿产小镇诺伯格（Norberg）命名。透明的诺伯格石晶体偶有被切磨为宝石，因其折射率适中、色彩淡雅而受到矿物专业收藏家的关注，但在大众宝石市场中知名度较低，商业产量极为有限。
On this page
Jewelry Use
Durability
5/10
Science FYI Family
Frequently Asked Questions
What is Norbergite?
诺伯格石是锌硼镁铝硅酸盐矿物（方柱石族），通常呈黄色至橙黄色，有时呈无色或白色，具有玻璃光泽，透明至半透明。诺伯格石产于含镁的接触变质岩（矽卡岩）中，与方柱石族其他矿物共生，以瑞典矿产小镇诺伯格（Norberg）命名。透明的诺伯格石晶体偶有被切磨为宝石，因其折射率适中、色彩淡雅而受到矿物专业收藏家的关注，但在大众宝石市场中知名度较低，商业产量极为有限。
What is the hardness of Norbergite?
Norbergite has a Mohs hardness of 6.0 to 6.5, making it moderate for use in jewelry.
What color is Norbergite?
Norbergite is primarily Various.
How much does Norbergite cost?
Norbergite falls into the Moderate ($50-500/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Norbergite?
Norbergite belongs to the Orthorhombic crystal system.