Catapleiite

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Physical & Optical Properties

Mohs Hardness 5.0 – 6.0
Specific Gravity 2.72
Refractive Index 1.59 – 1.629
Crystal System Hexagonal
Luster Vitreous
Cleavage Perfect
Color various
Birefringence 0.039

Mohs Hardness

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

カタプライアイトはノルウェーのアルカリ火成岩(コーラ半島・ランゲスンフィヨルド)から産出する稀少なジルコニウムケイ酸塩鉱物で、薄い板状から葉状の黄色・黄みがかった褐色の結晶を形成します。コレクター向けの希少標本として価値があり、透明な変種は稀にカットされることがあります。

Science FYI Family

Frequently Asked Questions

What is Catapleiite?
カタプライアイトはノルウェーのアルカリ火成岩(コーラ半島・ランゲスンフィヨルド)から産出する稀少なジルコニウムケイ酸塩鉱物で、薄い板状から葉状の黄色・黄みがかった褐色の結晶を形成します。コレクター向けの希少標本として価値があり、透明な変種は稀にカットされることがあります。
What is the hardness of Catapleiite?
Catapleiite has a Mohs hardness of 5.0 to 6.0, making it moderate for use in jewelry.
What color is Catapleiite?
Catapleiite is primarily Various.
How much does Catapleiite cost?
Catapleiite falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Catapleiite?
Catapleiite belongs to the Hexagonal crystal system.

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