Chrysotile
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Physical & Optical Properties
Category
Collector Gems
Mohs Hardness
2.5 – 4.5
Specific Gravity
2.51 – 2.63
Refractive Index
1.53 – 1.575
Crystal System
Monoclinic
Luster
Silky
Color
various
Birefringence
0.001
Mohs Hardness
| Mohs | Reference mineral | Chrysotile |
|---|---|---|
| 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 Chrysotile
Links may earn a commission at no extra cost to you.
Treatments
Commonly dyed in various colors and impregnated (acetone and hot point test) - Blue Chart Gem Identification, Herve Nicolas Lazzarelli, 2010, p 6
2.5 to 4.5Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references
2.51 to 2.63Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010)
1.530 to 1.575Herve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references
BiaxialGemdat.org, Management Team (2012)
0.001Gemdat.org, Management Team (2012)
YesHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010)
Mottled, veinedHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references
SilkyGemdat.org, Management Team (2012)
MonoclinicHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010) More from other references
Fibrous aggregatesHerve Nicolas Lazzarelli, Blue Chart Gem Identification (2010)
Chrysotile information at mindat.org
About Chrysotile
クリソタイルは蛇紋石の繊維状・巻き形変種で商業用アスベストの約95%を占めます。工業的建材として20世紀に広く使用されてきましたが、吸入による健康被害が明らかになり現在では多くの国で使用が規制されています。宝石学的意義よりも健康・環境上の理由でその鉱物学的性質の理解が重要視されています。
On this page
Jewelry Use
Durability
1/10
Science FYI Family
Frequently Asked Questions
What is Chrysotile?
クリソタイルは蛇紋石の繊維状・巻き形変種で商業用アスベストの約95%を占めます。工業的建材として20世紀に広く使用されてきましたが、吸入による健康被害が明らかになり現在では多くの国で使用が規制されています。宝石学的意義よりも健康・環境上の理由でその鉱物学的性質の理解が重要視されています。
What is the hardness of Chrysotile?
Chrysotile has a Mohs hardness of 2.5 to 4.5, making it relatively soft for use in jewelry.
What color is Chrysotile?
Chrysotile is primarily Various.
How much does Chrysotile cost?
Chrysotile falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Chrysotile?
Chrysotile belongs to the Monoclinic crystal system.