Sonolite
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Physical & Optical Properties
Category
Semi-Precious Gems
Mohs Hardness
5.5
Specific Gravity
3.82 – 4.0
Refractive Index
1.763 – 1.793
Crystal System
Monoclinic
Luster
Vitreous,Dull (Earthy)
Color
various
Mohs Hardness
| Mohs | Reference mineral | Sonolite |
|---|---|---|
| 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 Sonolite
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 Sonolite
Sonolite is a rare manganese silicate member of the humite group, typically displaying orange-red to pale reddish-brown colors with a vitreous luster in granular to prismatic crystals. It forms in manganese-rich metamorphic skarns and is associated with other manganese silicates in Japan, Sweden, and the United States. While rarely faceted, transparent specimens are sought by collectors of rare manganese-bearing gemstones.
On this page
Jewelry Use
Durability
4/10
Science FYI Family
Frequently Asked Questions
What is Sonolite?
Sonolite is a rare manganese silicate member of the humite group, typically displaying orange-red to pale reddish-brown colors with a vitreous luster in granular to prismatic crystals. It forms in manganese-rich metamorphic skarns and is associated with other manganese silicates in Japan, Sweden, an
What is the hardness of Sonolite?
Sonolite has a Mohs hardness of 5.5, making it moderate for use in jewelry.
What color is Sonolite?
Sonolite is primarily Various.
How much does Sonolite cost?
Sonolite falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Sonolite?
Sonolite belongs to the Monoclinic crystal system.