gemstone
Blue Quartz / Glass Gemstone Pendant
SiO2 (Silicon Dioxide) or Synthetic Glass
Hardness: 7 (if quartz) or 5.5 (if glass). Color: Deep vivid blue. Luster: Vitreous (glassy). Transparency: Translucent to transparent with internal fractures/inclusions.
- Hardness
- 7 (if quartz) or 5
- Color
- Deep vivid blue
- Luster
- Vitreous (glassy)
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Physical properties
Hardness: 7 (if quartz) or 5.5 (if glass). Color: Deep vivid blue. Luster: Vitreous (glassy). Transparency: Translucent to transparent with internal fractures/inclusions.
Formation & geological history
Natural quartz forms in various geological environments including igneous pegmatites and hydrothermal veins. Synthetic or treated varieties are produced via heat treatment, dyeing, or glass molding.
Uses & applications
Used primarily in fashion jewelry, pendants, and decorative accessories.
Geological facts
Sea turtle pendants featuring blue stones are popular symbols representing endurance, wisdom, and ocean conservation. Blue quartz is often created by heat-treating quartz with inclusions or by synthetic means.
Field identification & locations
Look for faceted cutting, internal inclusions, and mounting in base metals or sterling silver. Commonly mass-produced for costume jewelry.
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