WebRuby is distinguished for its bright red color, being the most famed and fabled red gemstone. Beside for its bright color, it is a most desirable gem due to its hardness, durability, luster, and rarity.Transparent rubies of large sizes are even rarer than Diamonds. Ruby is the red variety of the mineral Corundum. Sapphire, the other gem variety of … http://www.galleries.com/bismuth
Ruby: The gemstone Ruby information and pictures - minerals
WebSphalerite (sometimes spelled sphaelerite) is a sulfide mineral with the chemical formula (Zn,Fe)S. It is the most important ore of zinc.Sphalerite is found in a variety of deposit types, but it is primarily in sedimentary exhalative, Mississippi-Valley type, and volcanogenic massive sulfide deposits. It is found in association with galena, chalcopyrite, pyrite (and … WebBismuth has a metallic-white color with a slight reddish or pinkish hue. This pure color will only be present on an untarnished (i.e. freshly broken) surface, since Bismuth tarnishes yellow to dark-gray. Most marketed Bismuth specimens are laboratory grown, and exhibit … bitch\u0027s fv
Bismuthinite - Wikipedia
WebColor Lead-gray, tarnishing blackish or iridescent; in polished section, white Luster Metallic Fracture Subconchoidal Description A native element, antimony metal is extracted primarily from stibnite, which contains 72 percent antimony and 28 percent sulfur. Stibnite is mined in only a few countries, with China being its largest producer. WebTable IA: Minerals with Metallic or Submetallic Luster & Hardness of less than 2½: (Will readily leave a mark on paper.) [ Next Table ] Ocherous masses, granular, often as a pigment – "rust" – in rocks. Exhibits a wide range of hardness depending on form; crystalline hematite is harder. Has a greasy feel. http://www.webmineral.com/data/Bismuth.shtml darwin stubby price