Hydrophane

Q: What is Hydrophane?

A hidrofana é uma variedade de opala porosa que é normalmente opaca a translúcida, mas que se torna temporariamente mais transparente e pode revelar jogo de cores quando absorve água. Esta propriedade de "beber água" é única e fascinante, tornando-a uma experiência interativa para colecionadores. A

Q: What is the hardness of Hydrophane?

Hydrophane has a Mohs hardness of 5.5 to 6.5, making it moderate for use in jewelry.

Q: What color is Hydrophane?

Hydrophane is primarily Various.

Q: How much does Hydrophane cost?

Hydrophane falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.

Q: What is the crystal system of Hydrophane?

Hydrophane belongs to the Amorphous crystal system.

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Physical & Optical Properties

Category Semi-Precious Gems

Mohs Hardness 5,5 – 6,5

Specific Gravity 1,98 – 2,5

Refractive Index 1,37 – 1,52

Crystal System Amorphous

Cleavage None

Fracture Conchoidal,Splintery

Color various

Pleochroism Absent

Mohs Hardness

Mohs hardness of Hydrophane shown against the ten reference minerals, from talc (1) to diamond (10).

Mohs	Reference mineral	Hydrophane
1	Talc
2	Gypsum
3	Calcite
4	Fluorite
5	Apatite
6	Orthoclase	●
7	Quartz
8	Topaz
9	Corundum
10	Diamond

Crystal System

Value & Market

Price Tier Budget (< $50/ct)

Where to Buy Hydrophane

Blue Nile Fine jewelry retailer

James Allen Gemstone jewelry

Brilliant Earth Ethically sourced gems

Amazon Wide selection

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Treatments

Oils and parafins were used to delay the fading of play-of-colour in wet hydrophane. - Opal, Lithographie, 2007, p. 57 5.5 to 6.5Walter Schumann, Gemstones of the world (2001) 1.98 to 2.50Walter Schumann, Gemstones of the world (2001) BrittleWalter Schumann, Gemstones of the world (2001) NoneWalter Schumann, Gemstones of the world (2001) Conchoidal,SplinteryWalter Schumann, Gemstones of the world (2001) 1.37 to 1.52Walter Schumann, Gemstones of the world (2001) NoneWalter Schumann, Gemstones of the world (2001) AbsentWalter Schumann, Gemstones of the world (2001) All colours, play-of-colourWalter Schumann, Gemstones of the world (2001) Transparent,Translucent,OpaqueWalter Schumann, Gemstones of the world (2001) AmorphousWalter Schumann, Gemstones of the world (2001) Kidney- or grape-shaped aggregatesWalter Schumann, Gemstones of the world (2001) Hydrophane information at mindat.org

About Hydrophane

A hidrofana é uma variedade de opala porosa que é normalmente opaca a translúcida, mas que se torna temporariamente mais transparente e pode revelar jogo de cores quando absorve água. Esta propriedade de "beber água" é única e fascinante, tornando-a uma experiência interativa para colecionadores. A Etiópia produz opalas hidrofanas que podem ter um jogo de cores impressionante quando hidratadas. Esta característica também significa que devem ser usadas com precaução em joalharia.

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