Sinhalite
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Physical & Optical Properties
Category
Semi-Precious Gems
Mohs Hardness
6.0 – 7.0
Specific Gravity
3.46 – 3.5
Refractive Index
1.665 – 1.712
Crystal System
Orthorhombic
Luster
Vitreous
Cleavage
None
Fracture
Conchoidal
Color
various
Birefringence
0.036
Dispersion
0.018
Pleochroism
Trichroism: green - light brown - dark brown
Mohs Hardness
| Mohs | Reference mineral | Sinhalite |
|---|---|---|
| 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 Sinhalite
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 Sinhalite
锡哈莱特是一种罕见的镁铝硼酸盐矿物，颜色从淡黄色、黄绿色到棕色不等，以强多色性著称。长期以来因与金绿宝石或橄榄石相似而被误认，直至1952年才被正式鉴定为独立矿物，名称源自斯里兰卡的古称。主要产自斯里兰卡，是稀有宝石收藏家的珍品之选。
On this page
Jewelry Use
Durability
5/10
Science FYI Family
Frequently Asked Questions
What is Sinhalite?
锡哈莱特是一种罕见的镁铝硼酸盐矿物，颜色从淡黄色、黄绿色到棕色不等，以强多色性著称。长期以来因与金绿宝石或橄榄石相似而被误认，直至1952年才被正式鉴定为独立矿物，名称源自斯里兰卡的古称。主要产自斯里兰卡，是稀有宝石收藏家的珍品之选。
What is the hardness of Sinhalite?
Sinhalite has a Mohs hardness of 6.0 to 7.0, making it moderate for use in jewelry.
What color is Sinhalite?
Sinhalite is primarily Various.
How much does Sinhalite cost?
Sinhalite falls into the Moderate ($50-500/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Sinhalite?
Sinhalite belongs to the Orthorhombic crystal system.