mineral
Mixed Gemstone and Mineral Collection
Silicon Dioxide (SiO2) based minerals and others
AI-generated identification · may be incorrectHardness: 6-7 (Mohs); Colors: Purple, pink, blue, red, clear, yellow; Luster: Vitreous to waxy; Misc: Tumbled and raw crystals
- Hardness
- 6-7 (Mohs)
- Luster
- Vitreous to waxy
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Physical properties
Hardness: 6-7 (Mohs); Colors: Purple, pink, blue, red, clear, yellow; Luster: Vitreous to waxy; Misc: Tumbled and raw crystals
Formation & geological history
Various geological environments including hydrothermal veins and volcanic cavities. Most are likely from mining operations in Brazil, India, or the USA.
Uses & applications
Used for collecting, decorative displays, metaphysical practices, and decorative garden/aquarium accents.
Geological facts
This collection contains Amethyst, Rose Quartz, Clear Quartz, Citrine, Jasper, and Dalmation Stone among others. It also includes organic specimens like a gastropod shell.
Field identification & locations
Commonly sold in 'Gemstone Mining' kits at tourist attractions. Look for characteristic crystal shapes and colors such as the purple of amethyst or the spots of Dalmatian Stone.
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Other mineral specimens
Gneiss or Schist
Gneiss or Mica Schist with Garnet
Metamorphic
Limonite
FeO(OH)•nH2O
mineral
Limonite
FeO(OH)•nH2O
mineral
Sandstone (with potential mineral staining/concretions)
Arenite (SiO2 based)
sedimentary
Tumbled granite
Granite, a coarse-grained felsic intrusive igneous rock
igneous
Feldspar
Feldspar Group (Tectosilicate, e.g., KAlSi3O8)
mineral