Gem Hut - Prasiolite (Quartz) Gemstones

Prasiolite (Quartz) Gemstones

Hardness

7.0 on the Mohs scale.
Occurrence

Brazil and Arizona.
Appearance

Prasiolite, also spelled praziolite is the green form of quartz, formed by iron content and heat. Prasiolite is also called vermarine. Prasiolite is the result of heat treating amethyst and citrine from sources in Brazil and Arizona. Sometimes confused with green beryl, peridot (olivine) and tourmaline. The sources for this gemstone have apparently run out.
Enhancements

Prasiolite is usually produced by heating certain types of quartz in the presence of iron.

More information on gemstone enhancements.
Gemstone Family

Prasiolite is a member of the Quartz gemstone family.

Prasiolite

Prasiolite Quartz	$ 74.99
QGR131	8.41 ct.
	15.9x12.0mm Oval Cut
	Medium Light
	Moderately Strong Greenish Yellow
	Loupe Clean
	[A] Not normally enhanced.
	One of a kind.

Prasiolite Quartz	$ 59.99
QGR133	6.79 ct.
	16.2x10.9mm Pear Cut
	Medium Light
	Moderately Strong Greenish Yellow
	Loupe Clean
	[A] Not normally enhanced.
	One of a kind.

Prasiolite Quartz (Brazil)	Display Only (sold)
QGR114	8.68 ct.
	14.0x11.9mm Emerald Cut
	Light
	Moderately Strong Slightly Bluish Green
	Very Slightly Included
	[H] Heated to improve color.
	~

Prasiolite Quartz	$ 60.99
QGR127	4.93 ct., 'A' Grade
	11.9mm Trillion Cut
	Light
	Moderately Strong Strongly Yellowish Green
	Very Very Slightly Included
	[R] Neutron irradiated and/or heat treated.
	One of a kind.

Prasiolite Quartz	$ 84.99
QGR135	10.05 ct.
	15.0x15.6mm Trillion Cut
	Medium Light
	Moderately Strong Greenish Yellow
	Loupe Clean
	[A] Not normally enhanced.
	One of a kind.

Prasiolite Quartz	$ 29.99
QGR126	2.88 ct., 'AA' Grade
	10.1x8.1mm Scissors Cut
	Medium Light
	Moderately Strong Greenish Yellow
	Loupe Clean
	[R] Neutron irradiated and/or heat treated.
	One of a kind.