Berikut nilai Skala Mohs beberapa batu permata:

Kekerasan Material Kekerasan Mutlak

1 Talc (Mg3Si4O10(OH)2) 12 Gypsum (CaSO4·2H2O) 33 Calcite (CaCO3) 94 Fluorite (CaF2) 21

5 Apatite (Ca5(PO4)3(OH-,Cl-,F-)) 48

6 Orthoclase (KAlSi3O8) 727 Quartz (SiO2) 100

8 Topaz (Al2SiO4(OH-,F-)2) 200

9 Corundum (Al2O3) 40010 Diamond (C) 1500

Batu Permata KekerasanDiamond / Berlian 10Star Ruby 9Ruby 9Sapphire / Safir 9Star Sapphire 9Color-Change Sapphire 9Chrysoberyl Cat's Eye 8.5Alexandrite 8.5Chrysoberyl 8.5Spinel 8Imperial Topaz 8Topaz 8Azotic Topaz 8Mystic Topaz 8Rutile Topaz 8Emerald / Zamrud 7.5 - 8Aquamarine 7.5 - 8Goshenite 7.5 - 8Beryl 7.5 - 8Morganite 7.5 - 8Cat's Eye Aquamarine 7.5 - 8Andalusite 7.5Hambergite 7.5

Ametrine 7Iolite 7 - 7.5Demantoid Garnet 7 - 7.5Tourmaline 7 - 7.5Rose Quartz 7Kunzite 7Chrome Tourmaline 7 - 7.5Dumortierite Quartz 7 - 8.5Rubellite Tourmaline 7 - 7.5Quartz / Kuarsa 7Cat's Eye Tourmaline 7 - 7.5Star Lemon Quartz 7Mystic Quartz 7Paraiba Tourmaline 7 - 7.5Danburite 7 - 7.5Rutile Quartz / Kecubung Rambut 7Aventurine 7Smoky Quartz 7Amethyst / Kecubung 7Citrine 7Strawberry Quartz 7Quartz Cat's Eye 7Star Rose Quartz 6.5 - 7Color-Change Diaspore 6.5 - 7Tiger's Eye 6.5 - 7Agate Geode 6.5 - 7Hiddenite 6.5 - 7Almandine Garnet 6.5 - 7.5Cat's Eye Diaspore 6.5 - 7Pyrope Garnet 6.5 - 7.5Mali Garnet 6.5 - 7.5Tiger's Eye Matrix 6.5 - 7Sillimanite Cat's Eye 6.5 - 7.5Jasper 6.5 - 7Grossularite Garnet 6.5 - 7.5Fire Agate 6.5 - 7Agate / Akik 6.5 - 7Color-Change Garnet 6.5 - 7.5Tsavorite Garnet 6.5 - 7.5

Hessonite Garnet 6.5 - 7.5Bloodstone 6.5 - 7Carnelian 6.5 - 7Idocrase 6.5Rhodolite Garnet 6.5 - 7.5Peanut Wood 6.5 - 7Peridot 6.5 - 7Spessartite Garnet 6.5 - 7.5Dendritic Agate 6.5 - 7Onyx 6.5 - 7Fossil Coral 6.5 - 7Ruby-Zoisite 6.5 - 7Star Garnet 6.5 - 7.5Zircon 6.5 - 7.5Axinite 6.5 - 7Melanite 6.5 - 7Spodumene 6.5 - 7Chalcedony / Bacan 6.5 - 7Tanzanite 6.5 - 7Chrysoprase 6.5 - 7Rainbow Pyrite 6 - 6.5Maw-Sit-Sit 6 - 7Jadeite / Giok 6 - 6.5Star Moonstone 6 - 6.5Clinohumite 6Amazonite 6 - 6.5Cassiterite 6 - 7Labradorite 6 - 6.5Moonstone 6 - 6.5Sugilite 6 - 6.5Kyanite 6 - 7Orthoclase 6 - 6.5Nephrite Jade 6 - 6.5Prehnite 6 - 6.5Sunstone 6 - 6.5Andesine Labradorite 6 - 6.5Rainbow Moonstone 6 - 6.5Star Sunstone 6 - 6.5Rhodonite 5.5 - 6.5

Boulder Opal 5.5 - 6.5Hematite 5.5 - 6.5Moss Opal 5.5 - 6.5Fire Opal 5.5 - 6.5Cat's Eye Scapolite 5.5 - 6Moldavite 5.5Scapolite 5.5 - 6Sodalite 5.5 - 6Opal Doublet 5.5 - 6.5Hackmanite 5.5 - 6Nuumite 5.5 - 6Opal / Kalimaya 5.5 - 6.5Tashmarine Diopside 5 - 6Tremolite-Hexagonite 5 - 6Smithsonite 5Obsidian 5 - 5.5Lapis Lazuli 5 - 6Hemimorphite 5Turquoise/Pirus 5 - 6Chrome Diopside 5 - 6Sphene 5 - 5.5Star Diopside 5 - 6Cat's Eye Apatite 5Snowflake Obsidian 5 - 5.5Apatite 5Larimar 4.5 - 5Gaspeite 4.5 - 5Charoite 4.5 - 5Fluorite 4Ammolite 4Rhodochrosite 4Variscite 4 - 5Malachite 3.5 - 4Sphalerite 3.5 - 4Azurite 3.5 - 4Verdite 3Calcite 3Coral 3 - 4Pearl / Mutiara 2.5 - 4.5

Lepidolite 2.5 - 3Chrysocolla 2 - 4Seraphinite 2 - 4Amber 2 - 2.5