Dolomite
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Physical & Optical Properties
Category
Semi-Precious Gems
Mohs Hardness
3.5 – 4.0
Specific Gravity
2.8 – 2.95
Refractive Index
1.498 – 1.681
Crystal System
Trigonal
Luster
Vitreous,Pearly
Cleavage
Perfect
Fracture
Sub-Conchoidal
Color
various
Birefringence
0.179
Pleochroism
Nil
Mohs Hardness
| Mohs | Reference mineral | Dolomite |
|---|---|---|
| 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 Dolomite
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 Dolomite
ドロマイトは、カルシウムマグネシウム炭酸塩鉱物（CaMg(CO₃)₂）で、白色・ピンク・黄色など様々な色の結晶を形成します。鉱物標本として美しいひし形の結晶が知られ、特にスイス産の透明な結晶が人気です。建材・工業用途での需要が高く、装飾石としても使用されます。
On this page
Jewelry Use
Durability
2/10
Science FYI Family
Frequently Asked Questions
What is Dolomite?
ドロマイトは、カルシウムマグネシウム炭酸塩鉱物（CaMg(CO₃)₂）で、白色・ピンク・黄色など様々な色の結晶を形成します。鉱物標本として美しいひし形の結晶が知られ、特にスイス産の透明な結晶が人気です。建材・工業用途での需要が高く、装飾石としても使用されます。
What is the hardness of Dolomite?
Dolomite has a Mohs hardness of 3.5 to 4.0, making it relatively soft for use in jewelry.
What color is Dolomite?
Dolomite is primarily Various.
How much does Dolomite cost?
Dolomite falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Dolomite?
Dolomite belongs to the Trigonal crystal system.