Rock Identifier
Clear Quartz (Faceted) or Cubic Zirconia / Glass imitation (SiO2 (if Quartz), ZrO2 (if Cubic Zirconia)) — mineral
mineral

Clear Quartz (Faceted) or Cubic Zirconia / Glass imitation

SiO2 (if Quartz), ZrO2 (if Cubic Zirconia)

Colorless, transparent, vitreous luster. If quartz, Mohs hardness 7. If CZ, Mohs hardness 8-8.5. If glass, Mohs hardness 5.5. The image shows a heavily faceted, brilliant-cut clear material.

Identified More mineral
Explore Clear Quartz (Faceted) or Cubic Zirconia / Glass imitation in the encyclopedia →

Identify your own rocks.

Get a report just like this from any photo, free.

Physical properties

Colorless, transparent, vitreous luster. If quartz, Mohs hardness 7. If CZ, Mohs hardness 8-8.5. If glass, Mohs hardness 5.5. The image shows a heavily faceted, brilliant-cut clear material.

Formation & geological history

Quartz forms in igneous, metamorphic, and sedimentary environments. CZ and glass are manufactured synthetically.

Uses & applications

Used in jewelry, decorative items, and as a diamond simulant.

Geological facts

Clear quartz is the most common variety of quartz. CZ was synthesized for laser technology before becoming a popular gemstone simulant.

Field identification & locations

Can be identified by its brilliance and facet wear. Quartz will scratch glass, CZ will scratch quartz. Often found faceted for jewelry.