Carletonite
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Physical & Optical Properties
Category
Semi-Precious Gems
Mohs Hardness
4.0 – 4.5
Specific Gravity
2.45
Refractive Index
1.517 – 1.521
Crystal System
Tetragonal
Luster
Vitreous
Cleavage
Perfect
Color
various
Birefringence
0.004
Pleochroism
Some of the blue specimens may show blue to pinkish brown pleochroism
Mohs Hardness
| Mohs | Reference mineral | Carletonite |
|---|---|---|
| 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 Carletonite
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 Carletonite
カールトナイトはカナダのケベック州モンサンティレール産にのみ認知される極めて稀少な青から無色のカリウムナトリウムカルシウムケイ酸塩炭酸塩鉱物です。モントリオールのマギル大学にちなんで命名され、宝石用のファセットカット石は世界に数十個しか存在しないとされる最稀少宝石の一つです。
On this page
Jewelry Use
Durability
3/10
Science FYI Family
Frequently Asked Questions
What is Carletonite?
カールトナイトはカナダのケベック州モンサンティレール産にのみ認知される極めて稀少な青から無色のカリウムナトリウムカルシウムケイ酸塩炭酸塩鉱物です。モントリオールのマギル大学にちなんで命名され、宝石用のファセットカット石は世界に数十個しか存在しないとされる最稀少宝石の一つです。
What is the hardness of Carletonite?
Carletonite has a Mohs hardness of 4.0 to 4.5, making it relatively soft for use in jewelry.
What color is Carletonite?
Carletonite is primarily Various.
How much does Carletonite cost?
Carletonite falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Carletonite?
Carletonite belongs to the Tetragonal crystal system.