Calcite Satin Spar
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Physical & Optical Properties
Category
Semi-Precious Gems
Mohs Hardness
3.0
Specific Gravity
2.67 – 2.73
Refractive Index
1.486 – 1.658
Crystal System
Trigonal
Luster
Vitreous,Resinous
Cleavage
Perfect
Fracture
Conchoidal
Color
various
Birefringence
0.172
Mohs Hardness
| Mohs | Reference mineral | Calcite Satin Spar |
|---|---|---|
| 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 Calcite Satin Spar
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 Calcite Satin Spar
サテン・スパー方解石は、アラバスターに似た優しいウネリのある白い光沢（キャッツアイ効果）を示す繊維状の絹光沢方解石変種です。イギリス・メキシコ・モロッコが主要産地で、滑らかな長尺のカボションに研磨すると絹のような光沢が特に美しく現れます。ただし石膏サテン・スパーと混同されることがあるため注意が必要です。
On this page
Jewelry Use
Durability
2/10
Science FYI Family
Frequently Asked Questions
What is Calcite Satin Spar?
サテン・スパー方解石は、アラバスターに似た優しいウネリのある白い光沢（キャッツアイ効果）を示す繊維状の絹光沢方解石変種です。イギリス・メキシコ・モロッコが主要産地で、滑らかな長尺のカボションに研磨すると絹のような光沢が特に美しく現れます。ただし石膏サテン・スパーと混同されることがあるため注意が必要です。
What is the hardness of Calcite Satin Spar?
Calcite Satin Spar has a Mohs hardness of 3.0, making it relatively soft for use in jewelry.
What color is Calcite Satin Spar?
Calcite Satin Spar is primarily Various.
How much does Calcite Satin Spar cost?
Calcite Satin Spar falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Calcite Satin Spar?
Calcite Satin Spar belongs to the Trigonal crystal system.