Rossmanite
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Physical & Optical Properties
Category
Semi-Precious Gems
Mohs Hardness
7.0
Specific Gravity
3.0
Refractive Index
1.624 – 1.645
Crystal System
Trigonal
Luster
Vitreous
Cleavage
None
Color
various
Birefringence
0.021
Mohs Hardness
| Mohs | Reference mineral | Rossmanite |
|---|---|---|
| 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 Rossmanite
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 Rossmanite
Rossmanite is a rare lithium-aluminum member of the tourmaline supergroup, typically displaying pale pink to colorless tones with a vitreous luster and good transparency. It was described as a new mineral species in 1998 and named in honor of George Rossman, a leading authority on the spectroscopy of minerals. Fine facetable crystals have been found in the Czech Republic and pegmatites of Minas Gerais, Brazil.
On this page
Jewelry Use
Durability
7/10
Suitable for daily wear
Science FYI Family
Frequently Asked Questions
What is Rossmanite?
Rossmanite is a rare lithium-aluminum member of the tourmaline supergroup, typically displaying pale pink to colorless tones with a vitreous luster and good transparency. It was described as a new mineral species in 1998 and named in honor of George Rossman, a leading authority on the spectroscopy o
What is the hardness of Rossmanite?
Rossmanite has a Mohs hardness of 7.0, making it excellent for use in jewelry.
What color is Rossmanite?
Rossmanite is primarily Various.
How much does Rossmanite cost?
Rossmanite falls into the Moderate ($50-500/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Rossmanite?
Rossmanite belongs to the Trigonal crystal system.