Ms. Janie's GEM Hardness Chart

This chart will help determine the hardness of your stones.

 

Precious Opal Rubellite

HARDNESS	GEMSTONE
10	Diamond
9	Ruby Sapphire
8 1/2	Alexandrite Cat's Eye Chrysoberyl
8	Beryl Spinel Topaz
7 1/2	Andalusite Iolite Pyrope Garnet Rhololite Garnet Tourmaline Zircon Emerald Aquamarine
7	Demantoid Gernet Grossular Garnet Kunzite Peridot Pyrope Granet Quartz Spondumene Tanzanite Tsavorite Garnet Amethyst
6 1/2	Opal Scapolite Hiddenite Spodumene Citrine Moonstone
6	Diopside Turquoise
5 1/2 & 5	some of the following Opal Diopside Turquoise Lapis
4 1/2 to 3 1/2	Rhodochrosite

Ms. Janie's Gem Page is for educational purposes only.
I do not sell Gems nor do I take responsibility for any links that are posted for your purchasing needs.
This section of Ms. Janie's Collector's Studio has required an enormous amount of time and energy and can not be reproduced.
The following sources were used to provide some of the wonderful pictures and information for this section.
(The Gem Collector's Handbook) by John L. Ramsey and Laura J. Ramsey
(Gem Stones) by Cally Hall
(Gems Crystals and Minerals) by Anna S. Sofianides and George E. Harlow from the American Museum of Natural History.
Various information sites and links from the World Wide Web
The personal collection and knowledge of Janie E. Daniels

Copyright 2006 All rights reserved.