WebThe specific gravity of a mineral depends on the atomic weights of all its constituent elements and the manner in which the atoms (and ions) are packed together. In mineral series whose species have essentially identical structures, those composed of elements with higher atomic weight have higher specific gravities. ... (diamond, with a G of 3. ... WebCarbonado diamonds are a rare and unusual variety of industrial diamond. They are composed almost entirely of microcrystalline diamonds in random crystallographic orientations. When found in the field, they look nothing …

3 Easy Ways to Identify Raw Diamonds - wikiHow

http://www.gemologyproject.com/wiki/index.php?title=Specific_Gravity WebSpecific gravity: 3 to 3.05 common (3.03-3.07) Cleavage: two directions good, fibrous, brittle, the compact variety is tough Refractive index: 1.619-1.644 Birefringence: .022-.026 Fracture: subconchoidal to uneven Cleavage: perfect prismatic Pleochroism : Yellow to dark green, transparent to opaque Occurrence: Contact metamorphic limestones and great lunch spots in dallas

What is Diamond Clarity The 4Cs of Diamond Quality …

WebDiamond has four good cleavages, thus diamonds tend to cleave on impact. Refractive Index = 2.42 Dispersion=0.044 Specific Gravity = 3.52 Value The 4 "C" words are used to summarize the value determining … WebLonsdaleite was first identified in 1967 from the Canyon Diablo meteorite, where it occurs as microscopic crystals associated with ordinary diamond. [5] [6] It is translucent and brownish-yellow and has an index of … WebGraphite’s extreme softness, greasy feel, low specific gravity, and the ease with which it leaves dark gray to black marks on paper, usually serve to distinguish it from similar looking metallic minerals. Its name comes from the Greek word ‘graphein’ (‘to write’), a reflection of centuries of use in writing and drawing. flooded basement cleanup carpet