GEMSTONE – BIRTHSTONES |
WHERE FROM |
HARDNESS |
Garnet |
Bohemia, Czechoslovakia |
6 ½ – 7 ½ |
Amethyst |
Brazil, Uruguay, Bolivia |
7 |
Aquamarine |
Brazil, Madagascar, Mozambique |
7 – 8 |
Diamond |
Antwerp, Belgium |
10 |
Emerald |
Columbia, Zambia, Brazil |
7-8 |
Alexandrite |
Brazil, Sri-Lanka |
8 ½ |
Ruby |
Burma, Thailand, Cambodia |
9 |
Peridot |
Egypt, Pakistan, Arizona |
6 ½ – 7 |
Sapphire |
Kashmir, Burma, Sri-Lanka |
9 |
Pink Tourmaline |
Brazil, Pakistan, Afghanistan |
7 – 7 ½ |
Topaz |
Brazil, Pakistan, Sri-Lanka |
8 |
Blue Zircon |
Cambodia, Thailand, Sri-Lanka |
6 – 7 ½ |
GEMSTONE – OTHERS |
WHERE FROM |
HARDNESS |
Agate: Drusy, Bloodstone, Onyx |
Brazil, Madagascar, India |
6 – 7 |
Hauynite |
Germany |
6 |
Iolite |
India, Sri-Lanka, Tanzania, Brazil |
7 – 7 ½ |
Jade |
Burma,Taiwan, Brit. Columbia, Australia |
6 – 6 ½ |
Kunzite |
California |
6 ½ – 7 |
Kyanite |
Nepal |
5 – 7 |
Lapis Lazuli |
N. E. Afghanistan, Chile |
|
Liddicoatite (Tourmaline) |
Madagascar |
|
Malachite |
Zaire, Russia, Zambia |
|
Moonstone |
Sri-Lanka, Burma, India |
6 – 6 ½ |
Opal |
Australia, Mexico, Brazil |
5 ½ – 6 ½ |
Rhodochrosite |
Argentina |
3 – 4 |
Scapolite |
Burma, Brazil, Sri-Lanka |
5 ½ – 6 |
Sphalerite |
Santander, Spain |
3 ½ – 4 |
Sphene (Titanite) |
Brazil |
5 – 5 ½ |
Spinel |
Burma, Sri-Lanka |
8 |
Tanzanite |
Tanzania |
6 – 7 |