Thaumasite

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Physical & Optical Properties

Mohs Hardness 3,5
Specific Gravity 1,91
Refractive Index 1,467 – 1,505
Crystal System Hexagonal
Luster Vitreous
Cleavage Poor
Fracture Sub-Conchoidal
Color various
Birefringence 0,038

Mohs Hardness

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

Crystal System

a a c Hexagonal a = b ≠ c, α = β = 90°, γ = 120°

Value & Market

Price Tier Budget (< $50/ct)

About Thaumasite

A taumasite é um raro mineral de silicato-sulfato-carbonato de cálcio que forma cristais hexagonais aciculares ou prismáticos incolores a brancos. Ocorre em zonas de alteração de rochas carbonatadas em ambientes frios e húmidos, sendo conhecida por causar degradação de betão. Os exemplares lapidáveis são extremamente raros e destinam-se exclusivamente a colecionadores de minerais.

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Frequently Asked Questions

What is Thaumasite?
A taumasite é um raro mineral de silicato-sulfato-carbonato de cálcio que forma cristais hexagonais aciculares ou prismáticos incolores a brancos. Ocorre em zonas de alteração de rochas carbonatadas em ambientes frios e húmidos, sendo conhecida por causar degradação de betão. Os exemplares lapidávei
What is the hardness of Thaumasite?
Thaumasite has a Mohs hardness of 3.5, making it relatively soft for use in jewelry.
What color is Thaumasite?
Thaumasite is primarily Various.
How much does Thaumasite cost?
Thaumasite falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Thaumasite?
Thaumasite belongs to the Hexagonal crystal system.

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