Company Name | Topaz |
---|---|
Website | https://www.topazlabs.com |
Snippet | If you’ve used Topaz software since 2018, you would have received more than 100 new or substantially improved AI models for image quality. Image quality over everything else. Traditional methods are often faster to use because they’re less complicated. However, for photos and videos where it really matters, the improvement in image quality ... |
Color | Colorless (if no impurities), white, blue, brown, orange, gray, yellow, yellowish brown, green, pink and reddish pink, red |
Luster | Vitreous |
Streak | White |
Category | Nesosilicate minerals |
Cleavage | [001] Perfect |
Fracture | Subconchoidal to uneven |
Unit cell | a = 4.65 Å, b = 8.8 Å, c = 8.4 Å; Z = 4 |
References | [1][2][3][4] |
Diaphaneity | Transparent |
Pleochroism | Weak in thick sections X = yellow; Y = yellow, violet, reddish; Z = violet, bluish, yellow, pink |
Space group | Pbnm |
Birefringence | δ = 0.010 |
Crystal class | Dipyramidal (mmm) H-M symbol: (2/m 2/m 2/m) |
Crystal habit | Prismatic crystal |
Crystal system | Orthorhombic |
Refractive index | nα = 1.606–1.629nβ = 1.609–1.631nγ = 1.616–1.638 |
Specific gravity | 3.49–3.57 |
Optical properties | Biaxial (+) |
Mohs scale hardness | 8 (defining mineral) |
Strunz classification | 9.AF.35 |
Ultraviolet fluorescence | Short UV=golden yellow; Long UV=cream |
Formula.mw-parser-output .nobold{font-weight:normal}(repeating unit) | Al2SiO4(F,OH)2 |
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