Ceylonite
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Physical & Optical Properties
Category
Semi-Precious Gems
Mohs Hardness
7.5 – 8.0
Specific Gravity
3.63 – 3.9
Refractive Index
1.77 – 1.78
Crystal System
Isometric
Luster
Vitreous
Cleavage
None
Fracture
Conchoidal
Color
various
Mohs Hardness
| Mohs | Reference mineral | Ceylonite |
|---|---|---|
| 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 Ceylonite
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 Ceylonite
セイロナイトは旧国名セイロン（現スリランカ）にちなんで命名された、暗緑色からほぼ黒色に近い鉄質スピネルの変種です。普通スピネルより高い鉄含有量により彩度が低く暗色になりますが、その深みのある色調はコレクターの関心を引きます。スリランカ・ミャンマー・マダガスカルが産地として知られています。
On this page
Jewelry Use
Durability
8/10
Suitable for daily wear
Science FYI Family
Frequently Asked Questions
What is Ceylonite?
セイロナイトは旧国名セイロン（現スリランカ）にちなんで命名された、暗緑色からほぼ黒色に近い鉄質スピネルの変種です。普通スピネルより高い鉄含有量により彩度が低く暗色になりますが、その深みのある色調はコレクターの関心を引きます。スリランカ・ミャンマー・マダガスカルが産地として知られています。
What is the hardness of Ceylonite?
Ceylonite has a Mohs hardness of 7.5 to 8.0, making it excellent for use in jewelry.
What color is Ceylonite?
Ceylonite is primarily Various.
How much does Ceylonite cost?
Ceylonite falls into the Moderate ($50-500/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Ceylonite?
Ceylonite belongs to the Isometric crystal system.