Category | Oxide mineral |
Formula, (repeating unit) | Aluminium oxide, Al 2O 3 |
Crystal system | Trigonal |
Crystal class | Hexagonal scalenohedral (3m), H-M symbol: (32/m) |
Space group | R 3c |
Color | Typically blue, but varies |
Crystal habit | As crystals, massive and granular |
Twinning | Both growth twins (in various orientations) and polysynthetic glide twinning on the rhombohedron [10 11 | cleavage = Poor | fracture = Conchoidal, splintery | mohs = 9.0 | luster = Vitreous | refractive = n ω =1.768–1.772, n ε =1.760–1.763, Birefringence 0.008 | opticalprop = Abbe number 72.2 | pleochroism = Strong | streak = Colorless | gravity = 3.98~4.06 | density = | melt = 2,030–2,050 °C | fusibility = Infusible | diagnostic = | solubility = Insoluble | diaphaneity = Transparent to nearly opaque | other = Coefficient of thermal expansion (5.0–6.6)×10 −6 /K, relative permittivity at 20 °C, ε = 8.9–11.1 (anisotropic) | label15 = Cleavage | data15 = | label16 = Fracture | data16 = | label17 = Tenacity | data17 = | label18 = Mohs scale hardness | data18 = | label19 = Luster | data19 = | label20 = Streak | data20 = | label21 = Diaphaneity | data21 = | label22 = Specific gravity | data22 = | label23 = Density | data23 = | label24 = Polish luster | data24 = | label25 = Optical properties | data25 = | label26 = Refractive index | data26 = | label27 = Birefringence | data27 = | label28 = Pleochroism | data28 = | label29 = 2V angle | data29 = | label30 = Dispersion | data30 = | label31 = Extinction | data31 = | label32 = Length fast/slow | data32 = | label33 = Ultraviolet fluorescence | data33 = | label34 = Absorption spectra | data34 = | label35 = Melting point | data35 = | label36 = Fusibility | data36 = | label37 = Diagnostic features | data37 = | label38 = Solubility | data38 = | label39 = Common impurities | data39 = | label40 = Alters to | data40 = | label41 = Other characteristics | data41 = | label42 = | data42 = | label43 = References | data43 = | header44 = | label45 = | data45 = | label46 = | data46 = | label47 = | data47 = | label48 = | data48 = | label49 = | data49 = | label50 = | data50 = |
À propos de Sapphire
Poète Sapphire est né le 4 Août, 1950 à California, United States (Elle a 73 ans maintenant).
Remarquable en tant que romancière, poète et artiste de création parlée, Sapphire est surtout connue pour son roman Push de 1996 et pour son recueil de poésie de 1994 American Dreams. L'ancienne œuvre est devenue la base du film acclamé par la critique Precious (sorti en 2009).
All info about Sapphire can be found here. This article will clarify all information about Sapphire: biography, age, facts, income, family, wife & breakup...
Sapphire avant la célébrité
Sapphire was born in the Zodiac sign Lion (The Lion), and 1950 is the year of the Chinese Zodiac Tiger (兎).
Après avoir fréquenté les City Colleges de San Francisco et de New York, elle a obtenu sa maîtrise en beaux-arts du Brooklyn College.
Réalisation de Sapphire
Elle a publié son troisième recueil de poésie, Black Wings & Blind Angels: Poems, en 1999.
La vie de famille Sapphire
Née Ramona Lofton, elle a grandi dans une famille militaire et a passé son enfance dans de nombreux endroits. À l'âge de huit ans, elle a tragiquement souffert d'abus de la part de son père.
Associations de Sapphire
L'actrice Movie Actress Monique a remporté un Oscar pour son interprétation de la mère du personnage principal dans le film (Precious) basé sur le roman autobiographique Push de Sapphire.
Sapphire Income & Net worth
Sapphire's income mainly comes from the work that created her reputation: a poète. Information about her net worth in 2024 is being updated as soon as possible by allfamous.org, you can contact to tell us Net Worth of the Sapphire.
Sapphire Height and Weight
How tall is Sapphire? Information about Sapphire height in 2024 is being updated as soon as possible by AllFamous.org. Or you can contact us to let us know how tall of Sapphire.
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Dernières informations sur Sapphire mis à jour le 21 Mars, 2023.