Smithsonite

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Physical & Optical Properties

Mohs Hardness 5,0 – 5,5
Specific Gravity 4,0 – 4,65
Refractive Index 1,62 – 1,85
Crystal System Trigonal
Luster Vitreous,Pearly
Cleavage Perfect
Fracture Uneven
Color various
Birefringence 0,228
Dispersion 0,014
Pleochroism Absent

Mohs Hardness

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

Crystal System

a a a Trigonal (Rhombohedral) a = b = c, α = β = γ ≠ 90°

Value & Market

Price Tier Budget (< $50/ct)

About Smithsonite

A smithsonite é um mineral de carbonato de zinco que ocorre numa notável variedade de cores pastel, incluindo verde-menta, azul-celeste, rosa, lavanda, amarelo e incolor, com um lustre vítreo a perláceo suave. As suas cores suaves e a sua aparência semelhante à turquesa tornam-na popular em cabuchões e pedras decorativas. Extraída em locais como o México, Namíbia, Estados Unidos e Grécia, foi nomeada em homenagem a James Smithson, fundador do Smithsonian Institution.

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Frequently Asked Questions

What is Smithsonite?
A smithsonite é um mineral de carbonato de zinco que ocorre numa notável variedade de cores pastel, incluindo verde-menta, azul-celeste, rosa, lavanda, amarelo e incolor, com um lustre vítreo a perláceo suave. As suas cores suaves e a sua aparência semelhante à turquesa tornam-na popular em cabuchõe
What is the hardness of Smithsonite?
Smithsonite has a Mohs hardness of 5.0 to 5.5, making it moderate for use in jewelry.
What color is Smithsonite?
Smithsonite is primarily Various.
How much does Smithsonite cost?
Smithsonite falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Smithsonite?
Smithsonite belongs to the Trigonal crystal system.

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