Mineral (variant of Quartz)

Yellow Aventurine (Yellow Quartz)

Silicon Dioxide (SiO2) with inclusions of Muscovite or Mica

Hardness: 7 on Mohs scale. Color: Pale yellow to golden honey. Luster: Vitreous to waxy. Crystal Structure: Hexagonal (trigonal) cryptocrystalline. Cleavage: None (conchoidal fracture). Specific Gravity: 2.64-2.69.

Hardness: 7 on Mohs scale
Color: Pale yellow to golden honey
Luster: Vitreous to waxy

Identified March 25, 2026More mineral (variant of quartz) →

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Physical properties

Formation & geological history

Formed through the cooling of silica-rich hydrothermal fluids or within metamorphic environments where quartz recurystallizes with mica inclusions. Common in Precambrian and more recent metamorphic terrains.

Uses & applications

Used primarily in lapidary arts, jewelry (beads, cabochons), metaphysical products, and ornamental stones for interior design.

Geological facts

Aventurine displays a unique shimmering effect known as 'aventurescence,' caused by platy mineral inclusions that reflect light. While green is the most common color, yellow is prized for its warm, sunny hue.

Field identification & locations

Identify by its waxy luster and subtle internal shimmering. Found commonly in Brazil, India, Russia, and Tanzania. Collectors look for consistency of color and the degree of sparkle (aventurescence).

Other mineral (variant of quartz) specimens

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Quartzite (specifically Milky Quartz variety)

Quartz (SiO2)

metamorphic

Granite Pebble

Granite (Phaneritic intrusive igneous rock)

igneous

Ferruginous Quartz (Carnelian-tinted Quartz)

Silicon Dioxide (SiO2) with Iron Oxide inclusions

mineral

Chert

Chert (variant of microcrystalline quartz)

Sedimentary

Quartz

Silicon Dioxide (SiO2)

mineral

Aqua Aura Quartz

Titanium/Gold-coated Silicon Dioxide (SiO2)

mineral