Möng Hsu (Monghsu; Maing Hsu), Loilen District, Shan State, Myanmar
6.22 carats
© Brian Kosnar - Mineral Classics
General Information | ||||||||||||
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A variety or type of: | Andalusite | |||||||||||
Chemical Formula |
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Photos of natural/un-cut material from mindat.org | ||||||||||||
Chiastolite Simulants | ||||||||||||
Do not exist due to its distinct marking. - Gemstones of the world, Walter Schumann, 2001, p 178 | ||||||||||||
Physical Properties of Chiastolite | ||||||||||||
Mohs Hardness | 5 to 5.5Gemstones of the world (2001) , | |||||||||||
Specific Gravity | 3.00 to 3.15Blue Chart Gem Identification (2010) , | |||||||||||
Cleavage Quality | DistinctGemmological Tables (2004) , | |||||||||||
Optical Properties of Chiastolite | ||||||||||||
Refractive Index | 1.627 to 1.645Blue Chart Gem Identification (2010) , | |||||||||||
Optical Character | Biaxial/-Blue Chart Gem Identification (2010) , | |||||||||||
Birefringence | 0.007 to 0.013Blue Chart Gem Identification (2010) , | |||||||||||
Colour | ||||||||||||
Colour (General) | White, gray, yellowishGemstones of the world (2001) , More from other references | |||||||||||
Transparency | Translucent,OpaqueBlue Chart Gem Identification (2010) , | |||||||||||
Lustre | VitreousGemstones (2009) , | |||||||||||
Crystallography of Chiastolite | ||||||||||||
Crystal System | OrthorhombicBlue Chart Gem Identification (2010) , | |||||||||||
Habit | Square prismsGemstones (2009) , | |||||||||||
Further Information | ||||||||||||
Mineral information: | Chiastolite information at mindat.org | |||||||||||
Significant Gem Localities | ||||||||||||
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