Chert (Flint variety)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Category
Browse mineral, specifically a variety of quartz specimens identified by the Rock Identifier community.
Chert (Flint variety)
Microcrystalline or cryptocrystalline Quartz (SiO2)
White Quartz
Silicon Dioxide (SiO2)
Picture Jasper
Silicon Dioxide (SiO2) with iron oxide and clay inclusions
Jasper
Jasper (Silicon Dioxide, SiO2)
Ocean Jasper
Orbicular Jasper (varietal of SiO2 with impurities)
Tiger's Eye (commonly referred to as Blue/Gold Tiger's Eye)
Tiger's Eye is a variety of Chalcedony (cryptocrystalline quartz), SiO2, exhibiting chatoyancy. The blue variety is often called Hawk's Eye.
Orange Calcite (often commercially sold as Honey Calcite or Aragonite)
Calcium Carbonate (CaCO3)
Citrine
Silicon dioxide (SiO2)
Amber
Succinite (specifically for Baltic Amber), Formula: C10H16O
Quartz Geode
Silicon Dioxide (SiO2) in a concretionary structure
Chert / Flint
Microcrystalline Quartz (SiO2)
Banded Chert
Microcrystalline Quartz (SiO2)
Banded Jasper (Chert)
Silicon Dioxide (SiO2) - variety of Chalcedony
Chert / Flint
Cryptocrystalline quartz (SiO2)
Sandstone (likely Siltstone variety)
Arenite / Siltstone (primary mineral SiO2)
Moqui Marble (Moqui Ball)
Ironstone Concretion (Goethite/Hematite cemented Sandstone)
Sapphire (Corundum variety)
Sapphire (Al₂O₃)
Amethyst (Pale/Lavender variety)
Silicon Dioxide (SiO2)
Gneiss (specifically a weathered Amphibolite or Garnet Gneiss)
Gneiss (complex silicate composition)
Ruby
Corundum (Al2O3 with Chromium traces)
Chert (Common Opal/Chalcedony)
Microcrystalline Quartz (SiO2)
Chert Pebble (with Quartz Vein)
Chert (Cryptocrystalline Silica - SiO2)
Chert (Hag Stone / Hole Stone)
Chert (Cryptocrystalline variety of Quartz, SiO2)
Chert (and/or Flint)
Chert (Cryptocrystalline variety of Quartz, SiO2)
Jasper
Jasper (Cryptocrystalline variety of Quartz, SiO2)
Chert (Flint)
Chert (Cryptocrystalline variety of Quartz, SiO2)
Jasper with Quartz inclusion
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Amazonite
KAlSi3O8 (Potassium Feldspar, variety of Microcline)
Chert (Nodule)
Microcrystalline Quartz (SiO2)
Dragon Blood Jasper
Epidote-rich Quartzite (SiO2 with Ca2(Al,Fe)3(SiO4)3(OH))
Mixed Tumbled Gemstones and River Rocks
Mixed Decorative Stones (predominantly Silicon Dioxide - SiO2 variants)
Quartz Pebble (Chalcedony/Agate variety)
Silicon Dioxide (SiO2)
Agate
Agate (a variety of Chalcedony, SiO2)
Red Jasper
Jasper (a variety of Chalcedony, SiO₂)
Carnelian
Carnelian (a variety of Chalcedony, SiO2)
Carnelian
Carnelian (a variety of Chalcedony, SiO2)
Carnelian
Carnelian (a variety of Chalcedony, SiO2)
Carnelian
Carnelian (a variety of Chalcedony, SiO₂)
Chert (variations include Flint or Jasper)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Jasper (specifically Polychrome or Desert Jasper)
Silicon Dioxide with impurities (SiO2)
Chert (Flint variety)
Microcrystalline context of Quartz (SiO2)
Quartz (Citrine or Iron-Stained variety)
Silicon Dioxide (SiO2)