Hydrophane
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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: 5.5 – 6.5
1 Soft10 Hard
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
Links may earn a commission at no extra cost to you.
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
히드로페인은 다공성의 반투명 오팔로, 물에 담그면 투명해지면서 유색 효과가 더욱 선명해지는 독특한 성질을 지닙니다. 에티오피아산 오팔 중 일부가 이 성질을 보이며, 물을 흡수하면 일시적으로 투명도와 유색 효과가 향상됩니다. 물에서 꺼내면 서서히 원래 상태로 돌아오는 독특한 가역 특성이 있습니다. 오일이나 다른 용액의 흡수에 취약하므로 관리가 중요합니다.
Jewelry Use
Durability
4/10
Science FYI Family
Frequently Asked Questions
What is Hydrophane?
히드로페인은 다공성의 반투명 오팔로, 물에 담그면 투명해지면서 유색 효과가 더욱 선명해지는 독특한 성질을 지닙니다. 에티오피아산 오팔 중 일부가 이 성질을 보이며, 물을 흡수하면 일시적으로 투명도와 유색 효과가 향상됩니다. 물에서 꺼내면 서서히 원래 상태로 돌아오는 독특한 가역 특성이 있습니다. 오일이나 다른 용액의 흡수에 취약하므로 관리가 중요합니다.
What is the hardness of Hydrophane?
Hydrophane has a Mohs hardness of 5.5 to 6.5, making it moderate for use in jewelry.
What color is Hydrophane?
Hydrophane is primarily Various.
How much does Hydrophane cost?
Hydrophane falls into the Budget (< $50/ct) price range. Prices vary based on color, clarity, cut, and origin.
What is the crystal system of Hydrophane?
Hydrophane belongs to the Amorphous crystal system.