REAL CRYSTALS DO NOT GET SCRATCHED EASY (CRYSTAL HARDNESS, AUTHENTIC CRYSTALS NORMALLY CAN SCRATCH GLASS)
MOHS SCALE SCORE 1-10 WITH 10 BEING THE HARDEST
1 TALC
2 GYPSUM VS 2.5 FINGERNAIL
3 CALCITE VS 3.5 PENNY
4 FLUORITE
5 APATITE VS 5.5 KNIFE/GLASS PLATE
6 FELDSPAR VS 6.5 STEEL NAIL
7 QUARTZ
8 TOPAZ VS 8.5 MASONRY DRILL BIT
9 CORUNDUM
10 DIAMOND
