Blue Quartz
A variety of Quartz
What is Blue Quartz?
This variety of quartz, blue in coloring, can range from opaque to translucent. The color comes from inclusions of other minerals. Large pieces of quartzite that contain blue minerals will also sometimes be called blue Quartz. This quartz varietal can be found in Brazil and Spain.
Optical Properties
- Refractive Index
- 1.544-1.553
- Birefringence
- 0.009
- Pleochroism
- Weakly dichroic
- Optical Character
- Biaxial positive
- Dispersion
- 0.013
Blue Quartz Market Value Calculator
Estimate the market value of Blue Quartz using size, quality, and finish. This preview calculator is for quick context and is not a formal appraisal.
Blue Quartz Localities Map
See where Blue Quartz is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
Map preview
North ZoneCentral RidgeSouth Basin
Quick Facts
Physical Properties
- Color
- Blue
- Streak
- White
Chemical Properties
- Chemical Formula
- SiO2
- Elements
- O, Si
Also Known As
Blue QuartzLazurquarzSaphyrquarz
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