Violane
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Physical & Optical Properties
Category
Semi-Precious Gems
Mohs Hardness
5.0 – 6.0
Specific Gravity
3.22 – 3.4
Refractive Index
1.668 – 1.703
Crystal System
Monoclinic
Luster
Vitreous
Cleavage
Distinct
Fracture
Conchoidal
Color
various
Birefringence
0.024
Mohs Hardness
| Mohs | Reference mineral | Violane |
|---|---|---|
| 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
Budget (< $50/ct)
Where to Buy Violane
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 Violane
ビオランはディオプサイド（カルシウム‐マグネシウムケイ酸塩輝石）の稀なバイオレットから青紫色の変種で、マンガンの置換によって色が生じます。イタリアのピエモンテ州サン・マルセッロ渓谷が古典的な産地で、塊状または粒状で産出します。青みがかった紫色の宝石・装飾石は非常に数が少なく、ビオランはその数少ない例のひとつとして宝石学的に興味深い存在です。
On this page
Jewelry Use
Durability
4/10
Science FYI Family
Frequently Asked Questions
What is Violane?
ビオランはディオプサイド（カルシウム‐マグネシウムケイ酸塩輝石）の稀なバイオレットから青紫色の変種で、マンガンの置換によって色が生じます。イタリアのピエモンテ州サン・マルセッロ渓谷が古典的な産地で、塊状または粒状で産出します。青みがかった紫色の宝石・装飾石は非常に数が少なく、ビオランはその数少ない例のひとつとして宝石学的に興味深い存在です。
What is the hardness of Violane?
Violane has a Mohs hardness of 5.0 to 6.0, making it moderate for use in jewelry.
What color is Violane?
Violane is primarily Various.
How much does Violane cost?
Violane falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Violane?
Violane belongs to the Monoclinic crystal system.