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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

D E F G H

GemstoneHardness
Danburite7-7 ½
Diamond10
Diaspore6 ½ -7
Dumortierite7-8 ½
Emerald7½-8
Epidote6-7
Euclase7 ½
Ferro-Axinite6 ½ -7
Forsterite7
Gadolinite6 ½ -7
Gahnite7½-8
Galaxite7½-8
Garnet6 ½ -7 ½
Grandidierite7-7 ½
Grossular6 ½ -7
Hambergite7 ½
Hancockite6-7
Helvite 6-6 ½
Hiddenite6 ½ -7
Holtite
Humite6
Huributite6
Hyalophane 6-6 ½

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