Witherite
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Physical & Optical Properties
Category
Semi-Precious Gems
Mohs Hardness
3.0 – 3.5
Specific Gravity
4.27 – 4.35
Refractive Index
1.529 – 1.68
Crystal System
Orthorhombic
Luster
Vitreous,Waxy
Cleavage
Distinct
Fracture
Uneven
Color
various
Birefringence
0.148
Pleochroism
Nil
Mohs Hardness
| Mohs | Reference mineral | Witherite |
|---|---|---|
| 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 Witherite
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 Witherite
ウィザライトは炭酸バリウム鉱物で、白色から無色または淡灰色を呈し、ガラス質の光沢を持つ双晶をなす擬六方晶系の結晶を形成します。イングランドのノーサンバーランド州（タイプロカリティ、1784年記載）と鉛鉱床の酸化帯に産出します。バリウムの供給源鉱石として工業的にも重要ですが、バリウム化合物の毒性から扱いには注意が必要です。短波紫外線下で青白色の蛍光を示すことがあります。
On this page
Jewelry Use
Durability
2/10
Science FYI Family
Frequently Asked Questions
What is Witherite?
ウィザライトは炭酸バリウム鉱物で、白色から無色または淡灰色を呈し、ガラス質の光沢を持つ双晶をなす擬六方晶系の結晶を形成します。イングランドのノーサンバーランド州（タイプロカリティ、1784年記載）と鉛鉱床の酸化帯に産出します。バリウムの供給源鉱石として工業的にも重要ですが、バリウム化合物の毒性から扱いには注意が必要です。短波紫外線下で青白色の蛍光を示すことがあります。
What is the hardness of Witherite?
Witherite has a Mohs hardness of 3.0 to 3.5, making it relatively soft for use in jewelry.
What color is Witherite?
Witherite is primarily Various.
How much does Witherite cost?
Witherite falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Witherite?
Witherite belongs to the Orthorhombic crystal system.