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Glass hardness?


#1

On the Moh scale where does glass fall in hardness?

Thanks.
Carla


#2
On the Moh scale where does glass fall in hardness? 

Window Glass rates a 5 on the Mohs Hardness Scale.
http://mineral.galleries.com/minerals/hardness.htm

Kindest,
David Wooley
Fredericton, NB


#3

About 5.5 – see for a simple scale:
http://www.gwydir.demon.co.uk/jo/minerals/hardness.htm

jesse