mineral
Mixed Gemstone and Mineral Collection
Silicon Dioxide (SiO2) based minerals and others
Hardness: 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.
More like this
Other mineral specimens
Sandstone (with potential mineral staining/concretions)
Arenite (SiO2 based)
sedimentary
Schist
Schist
Metamorphic
Epidote
Epidote | Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)
metamorphic
Gypsum (variety Selenite or Alabaster)
Calcium sulfate dihydrate (CaSO4·2H2O)
Mineral
Nephrite Jade
Nephrite
Mineral/Rock
Granite
Granite (Phaneritic intrusive igneous rock)
igneous