Andradite
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Physical & Optical Properties
Category
Semi-Precious Gems
Mohs Hardness
6.5 – 7.0
Specific Gravity
3.7 – 4.1
Refractive Index
1.88 – 1.94
Crystal System
Isometric
Luster
Subadamantine,Vitreous
Cleavage
None
Fracture
Conchoidal
Color
various
Dispersion
0.057
Mohs Hardness
| Mohs | Reference mineral | Andradite |
|---|---|---|
| 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 Andradite
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 Andradite
钙铁榴石是石榴石族中色散值最高的品种，超过钻石的色散效果，能产生极为绚丽的火彩。其中最珍贵的是翠榴石，呈现出鲜艳的祖母绿色，因含铬元素而色彩浓郁，配合其卓越的色散，使翠榴石成为世界上最受追捧的宝石之一。俄罗斯乌拉尔山脉是翠榴石的经典产地，纳米比亚和马达加斯加也有产出。
On this page
Jewelry Use
Durability
6/10
Science FYI Family
Frequently Asked Questions
What is Andradite?
钙铁榴石是石榴石族中色散值最高的品种，超过钻石的色散效果，能产生极为绚丽的火彩。其中最珍贵的是翠榴石，呈现出鲜艳的祖母绿色，因含铬元素而色彩浓郁，配合其卓越的色散，使翠榴石成为世界上最受追捧的宝石之一。俄罗斯乌拉尔山脉是翠榴石的经典产地，纳米比亚和马达加斯加也有产出。
What is the hardness of Andradite?
Andradite has a Mohs hardness of 6.5 to 7.0, making it moderate for use in jewelry.
What color is Andradite?
Andradite is primarily Various.
How much does Andradite cost?
Andradite falls into the Moderate ($50-500/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Andradite?
Andradite belongs to the Isometric crystal system.