[DOC] [TLE] Mohs Hardness Scale: Testing the Resistance to Being Scratched [PAR] The most commonly used test of mineral hardness is Mohs Hardness Scale. ... 
With the exception of diamond, the minerals are all relatively common and easy 
or .... on the other hand (9 to 10 on the Mohs scale), reflects a hardness increase 
of... [DOC] [TLE] Mohs scale of mineral hardness - Wikipedia [PAR] The Mohs scale of mineral hardness is a qualitative ordinal scale that 
characterizes the scratch ... 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 Test - Rocks and Minerals [PAR] Mohs Scale was named after Frederick Mohs (1773-1839), a German 
minerologist. It consists of 10 fairly common minerals (except for the diamond) of 
known... [DOC] [TLE] Mohs Hardness Test [PAR] This scale, which ran from 1 to 10, was named after Mohs, and is known as the 
Mohs ... Instead, common objects are used as tools to perform the hardness test:. [DOC] [TLE] Mohs Scale of Hardness - Mineralogical Society of America [PAR] The Mohs' hardness scale was developed in 1822 by Frederich Mohs. This scale 
is a chart of relative hardness of the various minerals (1 - softest to 10... [DOC] [TLE] Hardness: Mineral Properties - The Mineral and Gemstone Kingdom [PAR] The scale consists of numbers one through ten; 1 being the softest and 10 being 
the hardest. ... Several common household items have a fixed hardness, and can 
be used to test for ... One type consists of 10 metal rods, each one containing a 
fragment of one of the minerals in the Moh's scale. ... Mineral gets scratched. [DOC] [TLE] Mohs hardness scale for Gemstones - Gem Rock Auctions [PAR] The MOHS scale of hardness is universally used when... [DOC] [TLE] Hardness - Oxford University Museum of Natural History [PAR] In 1812, a man named Fredrich Mohs invented a scale of hardness called Mohs 
Scale which is still used today. He selected ten standard minerals, and arranged 
them in order of increasing hardness. Talc is the ... Corundum 10. Diamond. [DOC] [TLE] Gemstone Hardness and Wearability - International Gem Society [PAR] You may know that diamond, with a hardness of 10, is the hardest material in the 
... Mohs (1773-1839) established a reference scale of ten common minerals,... [DOC] [TLE] h2g2 - Mohs Scale of Hardness [PAR] Jul 3, 2004 ... However, in common usage the term 'hardness' is often extended to include ... In 
the original Mohs Scale, 10 minerals were arranged in order of ... used to cut 
steel, which diamond cannot do because it burns when it gets hot. [DOC] [TLE] Mohs Scale of Rock and Metal Hardness - TV Tropes [PAR] The Mohs Scale of Rock and Metal Hardness trope as used in popular culture. ... 
As soft as rock (and to an extent, most music) gets. ..... the placement of any 
music that is definitely harder, louder, darker, or noisier than what is common at 
10. [DOC] [TLE] Determining Rank on the Mohs Scale of Mineral Hardness | Mining ... [PAR] May 11, 2015 ... Since it was devised by Frederich Mohs, the scale of mineral hardness ... The 
scale ranks minerals on a range of 1 to 10, with 1 being the softest and ... 
Minerals that are mined, common minerals, gemstones, and ... But as the stone 
often gets confused for cubic zirconia, don't get it confused with a diamond! [DOC] [TLE] Hardness - faculty at Chemeketa [PAR] The scratch hardness of diamond is assigned the value of 10 on the Mohs scale 
of hardness; corundum, the mineral next to diamond in hardness, is rated as 9. ... 
in the early nineteenth century, or with the common testing materials that have 
been calibrated to those standards. ... If the glass gets broken DO NOT handle it! [DOC] [TLE] NOVA - Official Website | A Primer of Gemstones - PBS [PAR] Feb 1, 2000 ... Emerald gets its green color from the

Question: It gets a 10 on the standard Mohs scale
Answer: diamond