Manganotantalite
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Physical & Optical Properties
Category
Semi-Precious Gems
Mohs Hardness
5.5 – 6.5
Specific Gravity
7.73 – 7.97
Refractive Index
2.19 – 2.34
Crystal System
Orthorhombic
Luster
Vitreous
Cleavage
Perfect
Color
various
Birefringence
0.015
Mohs Hardness
| Mohs | Reference mineral | Manganotantalite |
|---|---|---|
| 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 Manganotantalite
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 Manganotantalite
钽锰矿是锰钽氧化物矿物，属于钽铁矿族，通常呈深棕色至黑色，具有半金属光泽，是重要的钽矿石之一。钽锰矿主要产于富含稀有元素的花岗岩伟晶岩中，与铌铁矿、锂辉石等矿物共生。因其高密度和折射率，偶有透明至半透明的晶体被切磨为宝石供专业收藏家研究，但商业流通量极低。钽作为现代电子工业的关键材料，使钽锰矿具有重要的经济价值，同时也是重要的地质勘探指示矿物。
On this page
Jewelry Use
Durability
4/10
Science FYI Family
Frequently Asked Questions
What is Manganotantalite?
钽锰矿是锰钽氧化物矿物，属于钽铁矿族，通常呈深棕色至黑色，具有半金属光泽，是重要的钽矿石之一。钽锰矿主要产于富含稀有元素的花岗岩伟晶岩中，与铌铁矿、锂辉石等矿物共生。因其高密度和折射率，偶有透明至半透明的晶体被切磨为宝石供专业收藏家研究，但商业流通量极低。钽作为现代电子工业的关键材料，使钽锰矿具有重要的经济价值，同时也是重要的地质勘探指示矿物。
What is the hardness of Manganotantalite?
Manganotantalite has a Mohs hardness of 5.5 to 6.5, making it moderate for use in jewelry.
What color is Manganotantalite?
Manganotantalite is primarily Various.
How much does Manganotantalite cost?
Manganotantalite falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Manganotantalite?
Manganotantalite belongs to the Orthorhombic crystal system.