Datolite
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Physical & Optical Properties
Category
Semi-Precious Gems
Mohs Hardness
5.0 – 5.5
Specific Gravity
2.9 – 3.0
Refractive Index
1.621 – 1.675
Crystal System
Monoclinic
Luster
Vitreous
Cleavage
None
Fracture
Conchoidal
Color
various
Birefringence
0.044
Dispersion
0.016
Pleochroism
Nil
Mohs Hardness
| Mohs | Reference mineral | Datolite |
|---|---|---|
| 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 Datolite
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 Datolite
ダトーライトは、カルシウムホウ素珪酸塩鉱物（CaBSiO₄OH）で、無色から白色、淡黄色、淡緑色を示します。磁器状の外観と塊状集合体が特徴的で、彩色が美しい標本はコレクターに人気があります。五大湖地域のミシガン州産の白色・淡緑色標本が有名です。
On this page
Jewelry Use
Durability
4/10
Science FYI Family
Frequently Asked Questions
What is Datolite?
ダトーライトは、カルシウムホウ素珪酸塩鉱物（CaBSiO₄OH）で、無色から白色、淡黄色、淡緑色を示します。磁器状の外観と塊状集合体が特徴的で、彩色が美しい標本はコレクターに人気があります。五大湖地域のミシガン州産の白色・淡緑色標本が有名です。
What is the hardness of Datolite?
Datolite has a Mohs hardness of 5.0 to 5.5, making it moderate for use in jewelry.
What color is Datolite?
Datolite is primarily Various.
How much does Datolite cost?
Datolite falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Datolite?
Datolite belongs to the Monoclinic crystal system.