Bustamite
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Physical & Optical Properties
Category
Semi-Precious Gems
Mohs Hardness
5.5 – 6.0
Specific Gravity
3.32 – 3.43
Refractive Index
1.662 – 1.707
Crystal System
Triclinic
Luster
Vitreous
Cleavage
Perfect
Fracture
Conchoidal
Color
various
Birefringence
0.014
Mohs Hardness
| Mohs | Reference mineral | Bustamite |
|---|---|---|
| 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 Bustamite
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 Bustamite
ブスタマイトはカリフォルニア・ニュージャージー・南アフリカの変成マンガン鉱床に産する、淡ピンクから薔薇色の塊状または粒状の集合体を形成するカルシウムマンガンケイ酸塩鉱物です。ロードナイトと共産することが多く、研磨してカボションに仕上げたものが装飾用途に利用されます。
On this page
Jewelry Use
Durability
4/10
Science FYI Family
Frequently Asked Questions
What is Bustamite?
ブスタマイトはカリフォルニア・ニュージャージー・南アフリカの変成マンガン鉱床に産する、淡ピンクから薔薇色の塊状または粒状の集合体を形成するカルシウムマンガンケイ酸塩鉱物です。ロードナイトと共産することが多く、研磨してカボションに仕上げたものが装飾用途に利用されます。
What is the hardness of Bustamite?
Bustamite has a Mohs hardness of 5.5 to 6.0, making it moderate for use in jewelry.
What color is Bustamite?
Bustamite is primarily Various.
How much does Bustamite cost?
Bustamite falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Bustamite?
Bustamite belongs to the Triclinic crystal system.