Glittering Stones » Gemstone Facts » Gem Hardness
Gem Hardness
MOH's Hardness |
Mineral used for comparison |
Simple Hardness |
Cutting Hardness |
10 |
Diamond |
|
140,000.00 |
9 |
Ruby ,Sapphire , Alexandrite,Chrysoberyl |
|
1,000.00 |
8 |
Aquamarine ,Emerald ,Morganite ,Spinel ,Topaz |
175.00 |
|
7 |
Amethyst ,Citrine ,Garnet, Iolite, Kunzite, Peridot, Tanzanite, Tourmaline, Zircon |
Scratches window glass |
120.00 |
6 |
Diopside, Lapis lazuli, Orthoclase, Turquoise |
Can be scratched with a steel file |
37.00 |
5 |
Apatite, Obsidian, Sphene, Glass |
Can be scratched with a knife |
6.50 |
4 |
Coral ,Fluorite, Pearl |
Can easily be scratched with a knife |
5.00 |
3 |
Calcite ,Ivory |
Can be scratched with a copper coin |
4.50 |
2 |
Amber ,Gypsum |
Can be scratched with a fingernail |
1.25 |
1 |
Talc |
Can be scratched with a fingernail |
0.03 |
NOVEMBER BIRTHSTONE - CITRINE
COMMEMORATIVE EVENT - 13th Anniversary
KEYWORDS - Success, Abundance, Personal Power
ALSO KNOWN AS - Merchant's stone, Success stone
COLORS - Pale yellow to brown
OCCURRENCE - Brazil
COLOR ZONING - Tiger stripes or Zebra stripes
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