Romanèchite
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Physical & Optical Properties
Category
Semi-Precious Gems
Mohs Hardness
5.0 – 6.0
Specific Gravity
4.7 – 4.74
Crystal System
Monoclinic
Luster
Dull (Earthy),Submetallic
Color
various
Mohs Hardness
| Mohs | Reference mineral | Romanèchite |
|---|---|---|
| 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 Romanèchite
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 Romanèchite
ロマネキャイト（硬マンガン鉱）は、水和バリウム酸化マンガン鉱物で、腎臓状・塊状・樹枝状の黒〜鋼灰色集合体として亜金属〜土状光沢を示します。重要なマンガン鉱石の一つで、フランス・ボジョレー地方のロマネシュ村にちなんで命名されました（世界各地のマンガン二次鉱物産地に産します）。石灰岩やアゲートに含まれる樹枝状模様は「デンドライト（風景石）」として人気の装飾石となっています。
On this page
Jewelry Use
Durability
4/10
Science FYI Family
Frequently Asked Questions
What is Romanèchite?
ロマネキャイト（硬マンガン鉱）は、水和バリウム酸化マンガン鉱物で、腎臓状・塊状・樹枝状の黒〜鋼灰色集合体として亜金属〜土状光沢を示します。重要なマンガン鉱石の一つで、フランス・ボジョレー地方のロマネシュ村にちなんで命名されました（世界各地のマンガン二次鉱物産地に産します）。石灰岩やアゲートに含まれる樹枝状模様は「デンドライト（風景石）」として人気の装飾石となっています。
What is the hardness of Romanèchite?
Romanèchite has a Mohs hardness of 5.0 to 6.0, making it moderate for use in jewelry.
What color is Romanèchite?
Romanèchite is primarily Various.
How much does Romanèchite cost?
Romanèchite falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Romanèchite?
Romanèchite belongs to the Monoclinic crystal system.