If you're considering placing a custom order, please be sure to read my custom ordering tips. Also, please be aware that not all stones are available in all sizes and shapes.

A gem's hardness is measured by its Moh's Hardness rating, which ranges from 1 (talc) to 10 (diamond). The scale is not linear though – the difference between a hardness of 9 and one of 10 is greater than the difference between a hardness of 1 and one of 2.
 

	Gemstone	Supplier	Notes			Moh's Hardness (1-10)
	Alexandrite (Lab-Created)	Chatham	A lovely color-change stone that displays intense blue, green, and purple tones depending on the light source.			8.5
	Amethyst	OOOM	Mined in the USA and cut by a small family business in Sri Lanka.			7.0
Photo courtesy of CGH	Amethyst, Iris	CGH	Fair trade level 2.			7.0
	Aquamarine	Lanyi Gems,  OOOM, or  CGH				7.5-8.0
Photo courtesy of CGH	Citrine, Fire	CGH	Fair trade level 2.			7.0
	Citrine, Madiera	CGH	Fair trade level 2.			7.0
	Citrine, Smoky	OOOM	Mined in the USA and cut by a small family business in Sri Lanka. Some color variation.			7.0
Photo courtesy of CGH	Citrine, Standard	CGH	Fair trade level 2.			7.0
	Emerald (Lab-Created)	Chatham				7.5-8.0
	Garnet, Andradite	OOOM	Mined in the USA and cut by a small family business in Sri Lanka. Typically available only in smaller sized stones.			6.5-7.5
	Garnet, Grape	CGH	Fair trade level 2.			7.25
	Garnet, Raja	CGH	Fair trade level 2.			6.5-7.5
Photo courtesy of CGH	Garnet, Rhodolite	CGH	Fair trade level 2.			7.0-7.5
	Garnet, Spessartite	OOOM	Mined in the USA and cut by a small family business in Sri Lanka. Typically available only in smaller sized stones.			6.5-7.5
	Moissanite (Lab-Created)	C&C	An excellent conflict-free alternative to diamonds. Read more about moissanite.			9.0-9.5
	Moissanite, light green (Lab-Created)	C&C	An excellent conflict-free alternative to diamonds, now available in light and dark green! Read more about moissanite.			9.0-9.5
	Moissanite, dark green (Lab-Created)	C&C	An excellent conflict-free alternative to diamonds, now available in light and dark green! Read more about moissanite.			9.0-9.5
Photo courtesy of CGH	Opal, Mexican Fire	CGH	Fair trade level 2.			5.0-6.5
	Opal, Oregon	CGH	Fair trade level 1.			5.5-6.5
	Peridot, Mesa Verde	CGH	Fair trade level 2.			6.5-7.0
	Quartz, Smoky	CGH	Fair trade level 2.			7.0
	Ruby (Lab-Created)	Chatham				9.0
	Sapphire, Blue (Lab-Created)	Chatham				9.0
	Sapphire, Padparadscha (Lab-Created)	Chatham	Some color variation - some are more pink, others more orange, and some in between.			9.0
	Sapphire, Yellow (Lab-Created)	Chatham				9.0
	Sapphire, Yellow	CGH	Sourced from Malawi; fair trade level 1.			9.0
	Sapphire	CGH	Sourced from Malawi or Australia; fair trade level 1.			9.0
	Sapphire, Pink	Ruby Fair	Somewhat limited availability in a range of shades from light to dark.			9.0
	Sapphire, Purple	Ruby Fair	Somewhat limited availability in a range of shades from light to dark.			9.0
	Spinel, Black	CGH	Fair trade level 1.			8.0
	Sunstone, Oregon	OOOM	Mined in Oregon, USA. Also available as faceted stones, and in a wide variety of shades (see more pics).			6.2-7.5
	Tourmaline, Afghan	OOOM	Mined by an independent family mining operation in Afghanistan and cut by a small family business in Sri Lanka. Also available as cabochons, and in a variety of shades (see more pics).			7.0-7.5
	Tourmaline, California - Green	OOOM	Mined right here in California and cut by a small family business in Sri Lanka. Also available as cabochons, and in a variety of shades (see more pics).			7.0-7.5
	Tourmaline, California - Pink	OOOM	Mined right here in California and cut by a small family business in Sri Lanka. Also available as cabochons, and in a variety of shades (see more pics).			7.0-7.5
	Turquoise	OOOM,   Cassidy	Mined in Nevada, USA.			5.0-6.0
	Variscite	OOOM	Mined in Nevada, USA.			5.0-6.0
	Zultanite	Zultanite	Mined in Anatolia, Turkey. A gorgeous natural color-change stone, displaying a range of greens, browns, yellows, and even pinks depending on the light source and intensity.			6.5-7.0