Herderite
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Physical & Optical Properties
Category
Semi-Precious Gems
Mohs Hardness
5.0 – 5.5
Specific Gravity
2.9 – 3.02
Refractive Index
1.587 – 1.642
Crystal System
Monoclinic
Luster
Vitreous
Cleavage
Indistinct
Fracture
Sub-Conchoidal
Color
various
Birefringence
0.028
Mohs Hardness
| Mohs | Reference mineral | Herderite |
|---|---|---|
| 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 Herderite
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 Herderite
磷铍石是一种含铍的磷氟酸盐矿物，通常呈无色、浅黄色或浅绿色，透明度高，具有玻璃光泽。宝石级磷铍石晶体清澈通透，切磨后光泽迷人，但因产量极为稀少，在宝石市场上几乎属于极品珍藏。主要产地包括巴西（帕拉伊巴州产出的高品质标本）、缅甸和美国缅因州，是追求稀缺性的宝石收藏家的梦寐以求之物。
On this page
Jewelry Use
Durability
4/10
Science FYI Family
Frequently Asked Questions
What is Herderite?
磷铍石是一种含铍的磷氟酸盐矿物，通常呈无色、浅黄色或浅绿色，透明度高，具有玻璃光泽。宝石级磷铍石晶体清澈通透，切磨后光泽迷人，但因产量极为稀少，在宝石市场上几乎属于极品珍藏。主要产地包括巴西（帕拉伊巴州产出的高品质标本）、缅甸和美国缅因州，是追求稀缺性的宝石收藏家的梦寐以求之物。
What is the hardness of Herderite?
Herderite has a Mohs hardness of 5.0 to 5.5, making it moderate for use in jewelry.
What color is Herderite?
Herderite is primarily Various.
How much does Herderite cost?
Herderite falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Herderite?
Herderite belongs to the Monoclinic crystal system.