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- Sapphire abstract "Sapphire (Greek: σάπφειρος; sappheiros, 'blue stone', which probably referred instead at the time to lapis lazuli) is a gemstone variety of the mineral corundum, an aluminium oxide (α-Al2O3). Trace amounts of other elements such as iron, titanium, chromium, copper, or magnesium can give corundum blue, yellow, purple, orange, or a greenish color. Chromium impurities in corundum yield a pink or red tint, the latter being called a ruby.Commonly, sapphires are worn in jewelry. Sapphires may be found naturally, by searching through certain sediments (due to their resistance to being eroded compared to softer stones) or rock formations. They also may be manufactured for industrial or decorative purposes in large crystal boules. Because of the remarkable hardness of sapphires—9 on the Mohs scale (the third hardest mineral, right behind diamond at 10 and moissanite at 9.25 on the Mohs scale)—and of aluminium oxide in general, sapphires are used in some non-ornamental applications, including infrared optical components, such as in scientific instruments; high-durability windows; wristwatch crystals and movement bearings; and very thin electronic wafers, which are used as the insulating substrates of very special-purpose solid-state electronics (especially integrated circuits and GaN-based LEDs).".
- Sapphire thumbnail Logan_Sapphire_SI.jpg?width=300.
- Sapphire wikiPageExternalLink Corundum.shtml.
- Sapphire wikiPageExternalLink sapphires.
- Sapphire wikiPageExternalLink min-3529.html.
- Sapphire wikiPageExternalLink 1030.
- Sapphire wikiPageID "29469".
- Sapphire wikiPageRevisionID "606802514".
- Sapphire caption "The 423-carat blue Logan Sapphire".
- Sapphire category "oxide mineral".
- Sapphire color "often blue, but varies".
- Sapphire formula "aluminium oxide, Al2O3".
- Sapphire fracture "conchoidal, splintery".
- Sapphire fusibility "infusible".
- Sapphire gravity "3.95".
- Sapphire habit "massive and granular".
- Sapphire hasPhotoCollection Sapphire.
- Sapphire luster "vitreous".
- Sapphire melt "2030".
- Sapphire mohs "9".
- Sapphire name "Sapphire".
- Sapphire opticalprop "Abbe number 72.2".
- Sapphire other "coefficient of thermal expansion ×10−6/K".
- Sapphire other "relative permittivity at 20 °C".
- Sapphire other "ε = 8.9–11.1".
- Sapphire pleochroism "strong".
- Sapphire refractive "Birefringence 0.008".
- Sapphire refractive "nε=1.760–1.763,".
- Sapphire refractive "nω=1.768–1.772".
- Sapphire solubility "Insoluble".
- Sapphire streak "white".
- Sapphire system Trigonal_crystal_system.
- Sapphire system "Space Group: Rc".
- Sapphire system "Symbol".
- Sapphire wordnet_type synset-mineral-noun-1.
- Sapphire subject Category:Aluminium_minerals.
- Sapphire subject Category:Corundum_varieties.
- Sapphire subject Category:Dielectrics.
- Sapphire subject Category:Gemstones.
- Sapphire subject Category:Optical_materials.
- Sapphire subject Category:Oxide_minerals.
- Sapphire subject Category:Superhard_materials.
- Sapphire subject Category:Transparent_materials.
- Sapphire subject Category:Trigonal_minerals.
- Sapphire type ChemicalSubstance.
- Sapphire type Mineral.
- Sapphire type ChemicalObject.
- Sapphire type Thing.
- Sapphire comment "Sapphire (Greek: σάπφειρος; sappheiros, 'blue stone', which probably referred instead at the time to lapis lazuli) is a gemstone variety of the mineral corundum, an aluminium oxide (α-Al2O3). Trace amounts of other elements such as iron, titanium, chromium, copper, or magnesium can give corundum blue, yellow, purple, orange, or a greenish color. Chromium impurities in corundum yield a pink or red tint, the latter being called a ruby.Commonly, sapphires are worn in jewelry.".
- Sapphire label "Saffier".
- Sapphire label "Safira".
- Sapphire label "Saphir".
- Sapphire label "Saphir".
- Sapphire label "Sapphire".
- Sapphire label "Szafir".
- Sapphire label "Zaffiro".
- Sapphire label "Zafiro".
- Sapphire label "Сапфир".
- Sapphire label "ياقوت أزرق".
- Sapphire label "サファイア".
- Sapphire label "蓝宝石".
- Sapphire sameAs Safír.
- Sapphire sameAs Saphir.
- Sapphire sameAs Ζαφείρι.
- Sapphire sameAs Zafiro.
- Sapphire sameAs Zafiro.
- Sapphire sameAs Saphir.
- Sapphire sameAs Safir.
- Sapphire sameAs Zaffiro.
- Sapphire sameAs サファイア.
- Sapphire sameAs 사파이어.
- Sapphire sameAs Saffier.
- Sapphire sameAs Szafir.
- Sapphire sameAs Safira.
- Sapphire sameAs m.0797j.
- Sapphire sameAs Q127583.
- Sapphire sameAs Q127583.
- Sapphire wasDerivedFrom Sapphire?oldid=606802514.
- Sapphire depiction Logan_Sapphire_SI.jpg.
- Sapphire isPrimaryTopicOf Sapphire.
- Sapphire name "Sapphire".
