Vesuvianite (Idocrase)
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Physical & Optical Properties
Category
Semi-Precious Gems
Mohs Hardness
6.5
Specific Gravity
3.25 – 3.5
Refractive Index
1.7 – 1.725
Crystal System
Tetragonal
Luster
Greasy
Cleavage
Indistinct
Fracture
Uneven,Splintery
Color
various
Birefringence
0.002
Dispersion
0.019
Pleochroism
Orange/brown vesuvianite - weak: light body color - dark body color; Green - weak: yellow-green - yellow-brown; Yellow - weak: colorless - yellow
Mohs Hardness
| Mohs | Reference mineral | Vesuvianite (Idocrase) |
|---|---|---|
| 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 Vesuvianite (Idocrase)
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 Vesuvianite (Idocrase)
符山石（矽线榴石）是一种复杂的钙铝镁铁硅酸盐矿物，颜色从绿色、黄绿色至棕色、蓝色（称为"赛普勒斯蓝"）不等，以维苏威火山为命名原型。最受珍视的宝石级品种产自意大利、加拿大（魁北克省）和坦桑尼亚，具有良好的透明度和玻璃光泽，是宝石收藏家中颇受欢迎的多色宝石。
On this page
Jewelry Use
Durability
6/10
Science FYI Family
Frequently Asked Questions
What is Vesuvianite (Idocrase)?
符山石（矽线榴石）是一种复杂的钙铝镁铁硅酸盐矿物，颜色从绿色、黄绿色至棕色、蓝色（称为"赛普勒斯蓝"）不等，以维苏威火山为命名原型。最受珍视的宝石级品种产自意大利、加拿大（魁北克省）和坦桑尼亚，具有良好的透明度和玻璃光泽，是宝石收藏家中颇受欢迎的多色宝石。
What is the hardness of Vesuvianite (Idocrase)?
Vesuvianite (Idocrase) has a Mohs hardness of 6.5, making it moderate for use in jewelry.
What color is Vesuvianite (Idocrase)?
Vesuvianite (Idocrase) is primarily Various.
How much does Vesuvianite (Idocrase) cost?
Vesuvianite (Idocrase) falls into the Moderate ($50-500/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Vesuvianite (Idocrase)?
Vesuvianite (Idocrase) belongs to the Tetragonal crystal system.