[DOC] [TLE] Mohs scale of mineral hardness - Wikipedia [PAR] Mohs scale of mineral hardness is a qualitative ordinal scale characterizing 
scratch resistance ... scale is a purely ordinal scale. For example, corundum (9) is 
twice as hard as topaz (8), but diamond (10) is four times as hard as corundum. [DOC] [TLE] Mohs Hardness Scale: Testing the Resistance to Being Scratched [PAR] The most commonly used test of mineral hardness is Mohs Hardness Scale. ... (3) 
calcite; (4) fluorite; (5) apatite; (6) orthoclase; (7) quartz; (8) topaz; and (9) 
corundum. .... In the field you are often no more than a few steps away from a 
piece of quartz. Mohs .... Mohs Hardness Scale is named after its inventor, 
Friedrich Mohs. [DOC] [TLE] Mohs Scale of Hardness - Mineralogical Society of America [PAR] This scale is a chart of relative hardness of the various minerals (1 - softest to 10 - 
hardest). Since hardness ... 14 carats. Corundum, 9, variety ruby, India 6 cm. [DOC] [TLE] Mohs Scale of Hardness [PAR] In 1812 the Mohs scale of mineral hardness was devised by the German ... with a 
hardness of 8. 9. Corundum, Sapphire and ruby are varieties of corundum. [DOC] [TLE] Gemstone Hardness: List of Gems Hardness Level on Mohs Scale ... [PAR] Sep 16, 2006 ... The Mohs scale of mineral hardness was created by German ... For example, 
corundum is twice as hard as topaz, but diamond is almost ... 9, Corundum (
Al2O3), 400 ..... Save Money - No shipping Fees for Additional Items! [DOC] [TLE] Mohs scale of mineral hardness - New World Encyclopedia [PAR] Diamond, the hardest mineral in nature, is given a hardness rating of 10 on the ... 
For example, corundum (9) is twice as hard as topaz (8), but diamond (10) is... [DOC] [TLE] Mineral Hardness Testing from Rockman - Rocks and Minerals [PAR] How to conduct a hardness test on an unknown rock or mineral using Mohs 
Scale of hardness. ... Mohs Scale was named after Frederick Mohs (1773-1839), 
a German minerologist. It consists of 10 fairly ... Corundum (H=9), 10. Diamond... [DOC] [TLE] Hardness: Mineral Properties - The Mineral and Gemstone Kingdom [PAR] Information on the mineral property Hardness. ... minerals are: Talc  Gypsum  
Calcite  Fluorite  Apatite  Feldspar  Quartz  Topaz  Corundum  Diamond ... (
The Diamond is really unnecessary, since no minerals are between hardness 9 
and 10.) ... Powder of the softer mineral will come off, and it will cover the scratch 
area. [DOC] [TLE] Mohs Scale | Great Basin Gem and Mineral Club [PAR] The relative hardness of minerals is determined according to Mohs Scale, named 
after the German ... 9 Corundum Sapphire and ruby are varieties of corundum. [DOC] [TLE] Gemstone Hardness and Wearability - International Gem Society [PAR] The Mohs scale starts approximately linear, but the curve climbs sharply at the 
high end. Corundum (9) is twice as hard as topaz (8), and diamond (10) is four... [DOC] [TLE] Friedrich Mohs and the Mohs Scale of Hardness - Kids Love Rocks [PAR] The scale is a list of minerals arranged from softest (No. ... Topaz; 9. Corundum; 
10. Diamond. Friedrich Mohs The mineralogist who created this scale was... [DOC] [TLE] Mineral Flow Chart [PAR] Barrel shaped hexagonal crystals, Hardness 9,. Commonly brown. Corundum ... (
looks like sand grains), Hardness 6.5-7. Olivine. No. Cleavage. Forms X-... [DOC] [TLE] BIG BEAD LITTLE BEAD | Guide To Carl Frederich Mohs Scale of ... [PAR] Carl Frederich Mohs Scale of Hardness for Rocks and Minerals ... He also found 
that diamonds were so hard that no other minerals could scratch them ... 9 = 
Corundum ... The most sought after amazonite historically come from Russia, 
where... [DOC] [TLE] Do You Think You Found a Diamond? Learn How to Identify Rough ... [PAR] The following list is of common minerals that scratch glass, may look like

Question: This mineral comes after No. 9, corundum, on the Mohs scale
Answer: Diamond