How do I identify Tourmalinated Quartz?

Tourmalinated Quartz can be identified by its hardness of 7 on the Mohs scale, Black color, Vitreous luster, Trigonal crystal system. Look for these key characteristics when examining specimens.

What color is Tourmalinated Quartz?

Tourmalinated Quartz typically appears in Black, white, colorless. Color can vary depending on impurities and formation conditions.

How hard is Tourmalinated Quartz?

Tourmalinated Quartz has a hardness of 7 on the Mohs scale. This makes it a relatively hard mineral suitable for jewelry.

Tourmalinated Quartz

A variety of Quartz

Uncommon

What is Tourmalinated Quartz?

Tourmalinated Quartz is a type of clear rock crystal resulting from the fusion of white quartz with black tourmaline, producing the stone's uniquely striated appearance. Like many kinds of colorful quartz, prolonged exposure to light and heat will eventually alter its coloring and should therefore be avoided. Most of the world's stock is currently mined in Brazil.

Optical Properties

Refractive Index: 1.544-1.553
Birefringence: 0.009
Pleochroism: Weakly dichroic
Optical Character: Biaxial positive
Dispersion: 0.013

Discover Values

Rarity

3.8out of 5.0

76%

Popularity

4.1out of 5.0

82%

Beauty

4.4out of 5.0

88%

Cultural Value

4.0out of 5.0

80%

Collection Value

4.2out of 5.0

84%