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What object is harder than diamond – The Q&A wiki
Answer There are a couple of things that are harder than diamond. We have found that aggregrated diamond nanorods and ultrahard fullerite are harder.
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What else besides diamonds can cut into granite and diorite …
Nov 17, 2009 · There are also three materials "harder" than diamond, though not used commercially as abrasives… aggregated Diamond nanorods, boron nitride and …
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mohs hardness for basalt rock – Crusher|Granite Crusher|Feldspar …
Is basalt harder than granite? – Yahoo! Answers. May 06, 2007 · Both basalt and granite are … The hardness is 7 on the Mohs’ Scale of 1-10, a diamond being a …
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Is basalt harder than granite? – Yahoo!7 Answers
May 06, 2007 · The hardest mineral in granite (quartz) is harder than the hardest mineral in basalt (feldspar … What is the worst insect in the world and why? Is diamond still …
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ARCE/NC ARCHIVES
Basalt-Was quarried near the Faiyum as well as other … Emery is #9 on the Moh’s scale of hardness – harder than steel, and than any other stone save Diamond.
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mohs hardness for basalt rock – Quarrying Crusher Plant
Is basalt harder than granite? – Yahoo! Answers. May 06, 2007 · Both basalt and granite are … The hardness is 7 on the Mohs’ Scale of 1-10, a diamond being a …
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Diamond – 1911 Encyclopedia Britannica – Free Online
… faces; the Borneo stones are also said to be harder than … the southern coast, being occupied by a melilite-basalt. It is quite clear that the occurrence of the diamond …
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hardness of basalt – Quarrying Crusher Plant
Is basalt harder than granite? – Yahoo! Answers. May 06, 2007 · Each of those … The hardness is 7 on the Mohs’ Scale of 1-10, a diamond being a ten. The basalt that I …
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Stone Sculpture Musings
… than steel (granite, basalt, etc) and some is softer than steel (marble, limestone, alabaster). The harder stones benefit from the use of carbide alloys and diamond …
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Why are granite basalt limestone diamond and quartz not …
Why are granite basalt limestone diamond and quartz not classified as ores?
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Ancient Egyptian Stone Technology – Petrie – Spirit & Stone
… such as granite, diorite, basalt, etc.- was by means of bronze tools; these were set with cutting points, far harder than the … would certainly seem to point to diamond …
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Mohs hardness for basalt rock – mineral processing system …
Is basalt harder than granite? – Gulin Answers. May 06, 2007 · Both basalt and granite are … Cesium, Chromium, Clays, Coal, Cobalt, Columbite, tantalite, Copper, Diamond …
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Chemistry
Both diamond and graphite are composed purely of carbon atoms. Explain why diamond is so much harder than graphite. … sandstone, limestone, marble, basalt …
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Mohs Hardness Scale – Relative Hardness of Minerals
In terms of absolute hardness, diamond (hardness 10) actually is 4 times harder than corundum (hardness 9) and 6 times harder than topaz (hardness 8).
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Moh’s Scale of Hardness – Marble Cleaning London – Specialist …
As you can see in the scale below, Orthoclase is not even twice as hard as Apatite however diamond is four times harder than Corundum. Absolute Scale of Hardness
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How do you tell raw diamond from raw glass? – Yahoo! Answers
Sep 26, 2008 · … location – mostly west or southwest Africa. It is far more likely that what you saw/found was quartz which is harder than glass and crystalline like diamond …
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Moh’s Scale of Hardness – ThinkQuest
It scratches steel and glass easily. 8: Topaz: Harder than any common mineral. 9: Corundum: It scratches Topaz. 10: Diamond: It is the hardest of all minerals.
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Rock classification – Seafriends home page
Diamond. C. Density 3.50, hardness 10. Lustrous … greenish mineral of magnesium iron silicate, harder than … materials such as volcanic ashes, lava or basalt.
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What is the strongest substance on earth? – Yahoo! UK & Ireland …
Jan 08, 2007 · Then, there is stone, say basalt, that is not as hard as diamond or resilient as metal … think a diamond but there is something even harder than a diamond …
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Marble is a nonfoliated rock that forms when heat and pressure …
… from cooling magma. … is a common metamorphic rock formed when basalt or … The mineral _____. a.)must be talc b.)is softer than a diamond c.)is harder than a diamond …
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