Witherite

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Physical & Optical Properties

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

1 Talc 2 Gypsum 3 Calcite 4 Fluorite 5 Apatite 6 Orthoclase 7 Quartz 8 Topaz 9 Corundum 10 Diamond Witherite
Mohs hardness of Witherite shown against the ten reference minerals, from talc (1) to diamond (10).
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

a b c Orthorhombic a ≠ b ≠ c, α = β = γ = 90°

Value & Market

Price Tier Budget (< $50/ct)

About Witherite

碳酸钡矿是一种碳酸钡矿物,呈白色至淡黄色,以其高密度(比同等体积方解石重得多)和荧光性著称,在紫外线下发出淡黄绿色至乳白色荧光。宝石级标本较为罕见,刻面宝石主要供矿物收藏家珍藏,产自英国(苏格兰和英格兰)、美国和德国,是钡矿物中颇具宝石学研究价值的品种。

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Frequently Asked Questions

What is Witherite?
碳酸钡矿是一种碳酸钡矿物,呈白色至淡黄色,以其高密度(比同等体积方解石重得多)和荧光性著称,在紫外线下发出淡黄绿色至乳白色荧光。宝石级标本较为罕见,刻面宝石主要供矿物收藏家珍藏,产自英国(苏格兰和英格兰)、美国和德国,是钡矿物中颇具宝石学研究价值的品种。
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.

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