Xenotime

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Physical & Optical Properties

Mohs Hardness 4,0 – 5,0
Specific Gravity 4,3 – 5,1
Refractive Index 1,72 – 1,827
Crystal System Tetragonal
Cleavage Distinct
Color various
Birefringence 0,095

Mohs Hardness

1 Talc 2 Gypsum 3 Calcite 4 Fluorite 5 Apatite 6 Orthoclase 7 Quartz 8 Topaz 9 Corundum 10 Diamond Xenotime
Mohs hardness of Xenotime shown against the ten reference minerals, from talc (1) to diamond (10).
Mohs Reference mineral Xenotime
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 Tetragonal a = b ≠ c, α = β = γ = 90°

Value & Market

Price Tier Budget (< $50/ct)

About Xenotime

A xenotime é um raro mineral de fosfato de ítrio com alta densidade e hábito cristalino prismático tetragonal, exibindo tons de amarelo, castanho, amarelo-esverdeado ou cinzento com lustre vítreo a resinoso e forte fluorescência sob luz ultravioleta. Ocorre em granitos pegmatíticos e placeres aluvionares, sendo extraída principalmente no Brasil, Noruega e Madagascar. Os cristais transparentes são ocasionalmente lapidados para colecionadores especializados.

Science FYI Family

Frequently Asked Questions

What is Xenotime?
A xenotime é um raro mineral de fosfato de ítrio com alta densidade e hábito cristalino prismático tetragonal, exibindo tons de amarelo, castanho, amarelo-esverdeado ou cinzento com lustre vítreo a resinoso e forte fluorescência sob luz ultravioleta. Ocorre em granitos pegmatíticos e placeres aluvio
What is the hardness of Xenotime?
Xenotime has a Mohs hardness of 4.0 to 5.0, making it relatively soft for use in jewelry.
What color is Xenotime?
Xenotime is primarily Various.
How much does Xenotime cost?
Xenotime falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Xenotime?
Xenotime belongs to the Tetragonal crystal system.

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