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Gemstone Moh’s Hardness Scale

Mohs Hardness Scale

A B CD E F G HI J K L M N O PQ R S T U V W X Y Z

Q R S T U V W X Y Z

GemstoneHardness
Quartz7
Red Beryl7½-8
Rhodizite8-8½
Rock Crystal7
Ruby9
Rutile 6-6 ½
Sanidine 6-6 ½
Sapphire9
Sapphirine7 ½
Schorlomite7-7 ½
Sekaninaite7-7 ½
Serendibite6 ½ -7
Sillimanite6 ½ -7 ½
Simponsite7-7 ½
Sinhalite6 ½ -7
Smaragdite 6-6 ½
Sogdianite6-7
Spessartine7-7 ½
Spinel8
Spodumene6 ½ -7
Staurolite7-7 ½
Sugilite 6-6 ½
Taaffeite8-8½
Talc1
Tantalite 6-6 ½
Tanzanite6 ½ -7
Thorianite6 ½ -7
Tinzenite6 ½ -7
Topaz8
Tourmaline7-7 ½
Tephroite6
Uvarovite7-7 ½
Vesuvianite6 ½
Vlasovite6
Xonolite 6-6 ½
YAG
Zektzerite6
Zircon6 ½ -7 ½
Zirconia
Zoisite 6-6 ½
Zunyite7

Pages: 1 2 3 4

Source: Gemstones of the World (5th edition), Walter Schumann

Images: National Park Service [Public domain], via Wikimedia Commons

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