Thomsonite Subgroup
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Physical & Optical Properties
Category
Semi-Precious Gems
Mohs Hardness
5.0 – 5.5
Specific Gravity
2.25 – 2.4
Refractive Index
1.51 – 1.55
Crystal System
Orthorhombic
Luster
Silky
Cleavage
Perfect
Fracture
Uneven
Color
various
Birefringence
0.015
Pleochroism
Nil
Mohs Hardness
| Mohs | Reference mineral | Thomsonite Subgroup |
|---|---|---|
| 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 Thomsonite Subgroup
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 Thomsonite Subgroup
トムソナイト亜グループはカルシウム‐ナトリウムアルミノケイ酸塩のゼオライト鉱物からなるグループで、白色・ピンク・赤色・緑色を呈する放射状または球状の集合体を形成することが多く、特徴的な同心円状の「眼」模様を持つカボション素材として宝石業界で珍重されています。アメリカのミネソタ州スーペリア湖岸での産出が最も有名で、ピンクと白色の縞模様石は「アゲートビーチ」コレクターに人気があります。
On this page
Jewelry Use
Durability
4/10
Science FYI Family
Frequently Asked Questions
What is Thomsonite Subgroup?
トムソナイト亜グループはカルシウム‐ナトリウムアルミノケイ酸塩のゼオライト鉱物からなるグループで、白色・ピンク・赤色・緑色を呈する放射状または球状の集合体を形成することが多く、特徴的な同心円状の「眼」模様を持つカボション素材として宝石業界で珍重されています。アメリカのミネソタ州スーペリア湖岸での産出が最も有名で、ピンクと白色の縞模様石は「アゲートビーチ」コレクターに人気があります。
What is the hardness of Thomsonite Subgroup?
Thomsonite Subgroup has a Mohs hardness of 5.0 to 5.5, making it moderate for use in jewelry.
What color is Thomsonite Subgroup?
Thomsonite Subgroup is primarily Various.
How much does Thomsonite Subgroup cost?
Thomsonite Subgroup falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Thomsonite Subgroup?
Thomsonite Subgroup belongs to the Orthorhombic crystal system.