MOHS' SCALE OF MINERAL HARDNESS Talc Gypsum Calcite Flourite Apatite Orthoclase Quartz Topaz Corundum Diamond 1 2 3 4 5 6 7 8 9 10 (Information derived from Rocks and Minerals, an Eyewitness Book produced and published by Dorling Kindersley Limited, London, England.
(Information; derived; from Rocks and Minerals) (an Eyewitness Book; produced; ) (an Eyewitness Book; published; by Dorling Kindersley Limited, London)
Information an Eyewitness Book an Eyewitness Book
derived produced published
from Rocks and Minerals
by Dorling Kindersley Limited, London