Friedelite
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Physical & Optical Properties
Category
Semi-Precious Gems
Mohs Hardness
4.0 – 5.0
Specific Gravity
3.06 – 3.19
Refractive Index
1.627 – 1.663
Crystal System
Monoclinic
Luster
Vitreous
Cleavage
Perfect
Fracture
Uneven
Color
various
Birefringence
0.032
Pleochroism
Nil
Mohs Hardness
| Mohs | Reference mineral | Friedelite |
|---|---|---|
| 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 Friedelite
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 Friedelite
锰闪磷灰石是一种含锰的层状硅酸盐矿物，以其粉红至玫瑰红色著称，颜色柔美悦目。晶体通常呈板状或叶片状，具有珍珠至丝绢光泽，透明度从半透明到不透明不等。锰闪磷灰石主要产于富含锰的变质岩中，以美国新泽西州的富兰克林矿区和法国等地产量较为丰富，主要作为矿物标本供研究和收藏。
On this page
Jewelry Use
Durability
3/10
Science FYI Family
Frequently Asked Questions
What is Friedelite?
锰闪磷灰石是一种含锰的层状硅酸盐矿物，以其粉红至玫瑰红色著称，颜色柔美悦目。晶体通常呈板状或叶片状，具有珍珠至丝绢光泽，透明度从半透明到不透明不等。锰闪磷灰石主要产于富含锰的变质岩中，以美国新泽西州的富兰克林矿区和法国等地产量较为丰富，主要作为矿物标本供研究和收藏。
What is the hardness of Friedelite?
Friedelite has a Mohs hardness of 4.0 to 5.0, making it relatively soft for use in jewelry.
What color is Friedelite?
Friedelite is primarily Various.
How much does Friedelite cost?
Friedelite falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Friedelite?
Friedelite belongs to the Monoclinic crystal system.