Fibrolite
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Physical & Optical Properties
Category
Semi-Precious Gems
Mohs Hardness
6.0 – 7.0
Specific Gravity
3.14 – 3.25
Refractive Index
1.658 – 1.678
Crystal System
Orthorhombic
Luster
Vitreous
Cleavage
Perfect
Fracture
Uneven
Color
various
Dispersion
0.015
Pleochroism
Distinct
Mohs Hardness
| Mohs | Reference mineral | Fibrolite |
|---|---|---|
| 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 Fibrolite
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 Fibrolite
フィブロライト（ファイブロライト）は、繊維状集合体のシリマナイト（珪線石）の変種です。白色から灰色、緑色を示し、繊維状の絹糸光沢が特徴です。スリランカやビルマ（ミャンマー）が主要産地で、透明なファセット石は非常に希少です。宝石としての流通は限られています。
On this page
Jewelry Use
Durability
5/10
Science FYI Family
Frequently Asked Questions
What is Fibrolite?
フィブロライト（ファイブロライト）は、繊維状集合体のシリマナイト（珪線石）の変種です。白色から灰色、緑色を示し、繊維状の絹糸光沢が特徴です。スリランカやビルマ（ミャンマー）が主要産地で、透明なファセット石は非常に希少です。宝石としての流通は限られています。
What is the hardness of Fibrolite?
Fibrolite has a Mohs hardness of 6.0 to 7.0, making it moderate for use in jewelry.
What color is Fibrolite?
Fibrolite is primarily Various.
How much does Fibrolite cost?
Fibrolite falls into the Moderate ($50-500/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Fibrolite?
Fibrolite belongs to the Orthorhombic crystal system.