gemstone
Quartz (Druzy / Goldstone Gemstone Cabochon)
Silicon Dioxide (SiO2)
Hardness: 7 on Mohs scale. Color: Soft peach/apricot pink with golden flecks. Luster: Vitreous to resinous. Crystal structure: Trigonal (often microcrystalline). Cleavage: None.
- Hardness
- 7 on Mohs scale
- Color
- Soft peach/apricot pink with golden flecks
- Luster
- Vitreous to resinous
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Physical properties
Hardness: 7 on Mohs scale. Color: Soft peach/apricot pink with golden flecks. Luster: Vitreous to resinous. Crystal structure: Trigonal (often microcrystalline). Cleavage: None.
Formation & geological history
Formed in hydrothermal veins and sedimentary cavities. Many commercially produced fashion jewelry stones of this appearance are treated quartz, aventurine quartz, or synthetic goldstone glass set in base metal settings.
Uses & applications
Used primarily as decorative gemstone cabochons in costume and fashion jewelry, such as earrings, pendants, and rings.
Geological facts
Quartz is one of the most abundant minerals in Earth's continental crust. Sparkling effects in quartz gemstones often result from microscopic inclusions of mica, hematite, or goethite (aventurescence).
Field identification & locations
Identified by its pastel hue, internal shimmery inclusions, smooth polished surface, and high hardness (scratches glass). Commonly sourced from Brazil, India, and Madagascar.
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