[DOC] [TLE] Friedrich Mohs and the Mohs Scale of Hardness - Kids Love Rocks [PAR] The mineralogist who created this scale was named Friedrich Mohs. Friedrich 
Mohs was born on January 29, 1773 in the German town of Gernrode. His ... His 
early studies were in physics, chemistry and mathematics. Later on he ... Believe 
it or not, in the early 1800's no one had created a system for identifying minerals. [DOC] [TLE] Friedrich Mohs - Wikipedia [PAR] Known for, Mohs scale of mineral hardness. Carl Friedrich Christian Mohs (
German: [mos]; 29 January 1773  29 September 1839) was a German 
geologist and mineralogist. ... In 1812 he moved to Graz where he was employed 
by Archduke Johann in his newly established museum and science academy, 
which was... [DOC] [TLE] Mohs Hardness Test [PAR] During the early 1800s, a German mineralogist named Friedrich Mohs devised a 
scale that tested mineral hardness, which means the resistance of a mineral to... [DOC] [TLE] Gem Facts | Artinian Gems [PAR] Hardness is the gem's resistance to being scratched. ... The Mohs hardness scale 
was developed in the early 1800s by German mineralogist Frederich Mohs. From 
softest to hardest, here is his list: .... Most Citrine is made by heating Amethyst. [DOC] [TLE] Learn About Gemstones - Kingoffs Jewelers [PAR] Hardness is the gem's resistance to being scratched. This is how you can tell 
immediately what type of stone it is. The Mohs hardness scale was developed in 
the early 1800s by German mineralogist ... From softest to hardest, here is his list: 
.... Lab created corundums, including ruby and sapphire, are very common and 
they... [DOC] [TLE] Chapter 9-Minerals and Ores - Science 6 with Mom at Homeschool ... [PAR] Dec 10, 2015 ... in the early 1800s, chemists discovered an aluminum-bearing rock called__, .... 
in 1822, a German mineralogist named__, which was also a foreman of a ... to 
identify and classify minerals in his collection, created a scale to classify ... hard), 
and this scale assigned__ a hardness of 1 and__ a hardness of 10. [DOC] [TLE] Microhardness, toughness, and modulus of Mohs scale minerals [PAR] American Mineralogist, Volume 91, pages 135142, 2006 ... the Mohs scale is 
not technically a hardness scale because resis- tance to scratching of brittle .... In 
the early 1800s, R.-J. Hay, who is well known for his work on ... Friedrich Mohs 
studied with Werner in Freiberg, Germany, ..... We made five microindenta- tions 
on... [DOC] [TLE] moh hardness tester - Mineral Processing Production Line [PAR] MainMohs Hardness TesterWerkMaster Mohs Hardness Scale Test Kit is an ... 4
: Hardness Here are the minerals Mohs used to determine his hardness scale: ... 
hardness testing tools that use minerals or crystal points, our picks are made of ... 
early 1800s, a German mineralogist named Friedrich Mohs devised a scale that... [DOC] [TLE] The Evolution of Hardness Testing - Quality Magazine [PAR] Oct 4, 2011 ... Early hardness test block calibration laboratory's used analog, ... during the 
1800s by a German mineralogist named Friedrich Mohs. ... This refined test 
utilizes a scale from 1-10, the higher the value, the harder the material ... His goal 
was to find a consistent and fast means of determining material hardness... [DOC] [TLE] Gemstone Hardness & Information - Chilton's Antiques [PAR] Was a Scale that was developed in 1812 by the German mineralogist Frederich 
Mohs. ... The scale is still use to measure the hardness of gemstones today. ... 
The first recorded findings of this stone were in 1853 and since it displayed the 
Russian ... Small pieces can be made into jewellery; however blue john is most... [DOC] [TLE] October 2014 - Central Brevard Rock and Gem Club [PAR] were created by moist gases that came out of the earth. Minerals .... minerals and 
mineralogy was started in Jena, Germany by. Johann Georg ... early 1800's: 
James Sowerby publishes his famous works ... The Hardness Scale of minerals. [DOC] [TLE] Turquoise Jewelry - Cameron Trading Post [PAR] An exception, however, is a hard white turquoise that has

Question: In the early 1800s this German mineralogist invented his scale of hardness
Answer: Friedrich Mohs