Star Ruby
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Physical & Optical Properties
Category
Precious Gems
Mohs Hardness
9.0
Specific Gravity
3.95 – 4.1
Refractive Index
1.757 – 1.78
Crystal System
Trigonal
Fracture
Uneven,Conchoidal
Color
red
Birefringence
0.007
Mohs Hardness
| Mohs | Reference mineral | Star Ruby |
|---|---|---|
| 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
Investment ($5,000+/ct)
Where to Buy Star Ruby
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 Star Ruby
星光红宝石是一种含有针状金红石包裹体的红宝石，当以素面形式切割时，能在光照下呈现六射或十二射星芒效应，即星光效应。最著名的星光红宝石包括重达138.7克拉的"午夜之星"和缅甸出产的"德龙之星"，均为馆藏级宝石。缅甸、斯里兰卡和印度是主要产地，优质星光红宝石极为罕见且价值不菲。
On this page
Jewelry Use
Durability
10/10
Suitable for daily wear
Science FYI Family
Frequently Asked Questions
What is Star Ruby?
星光红宝石是一种含有针状金红石包裹体的红宝石，当以素面形式切割时，能在光照下呈现六射或十二射星芒效应，即星光效应。最著名的星光红宝石包括重达138.7克拉的"午夜之星"和缅甸出产的"德龙之星"，均为馆藏级宝石。缅甸、斯里兰卡和印度是主要产地，优质星光红宝石极为罕见且价值不菲。
What is the hardness of Star Ruby?
Star Ruby has a Mohs hardness of 9.0, making it excellent for use in jewelry.
What color is Star Ruby?
Star Ruby is primarily Red.
How much does Star Ruby cost?
Star Ruby falls into the Investment ($5,000+/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Star Ruby?
Star Ruby belongs to the Trigonal crystal system.