Chakra Crystal Bracelet
Mixed Mineral Assortment
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Every specimen the Rock Identifier community has discovered, from desert agates to deep-sea basalts.
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Limonite Nodules / Goethite
Hydrated Iron Oxide-Hydroxide (FeO(OH)·nH2O / Fe2O3·nH2O)
mineral
Limestone (Weathered/Silicified)
Sedimentary carbonate rock (primarily CaCO3)
sedimentary
Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Quartzite Pebble
Metamorphic Quartzite (SiO2)
metamorphic
Quartzite Pebble
Metamorphosed Quartz Sandstone (SiO2)
metamorphic
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Pumice
Pumice (Volcanic Glass)
igneous
Quartzite
Metamorphic Quartzite (SiO2)
metamorphic
Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz Crystal
Silicon Dioxide (SiO2)
mineral
Agate
Silicon Dioxide (Chalcedony), SiO2
sedimentary
Banded Gneiss
Gneiss
metamorphic
Flint (or Chert with cortex)
Silicon dioxide (SiO2)
sedimentary
Limestone
Calcium carbonate rock (CaCO3)
sedimentary
Quartzite with Iron Staining
Metamorphic Quartz Sandstone
metamorphic
Petrified Wood
Silicified Wood (SiO2)
sedimentary
Quartzite
Metamorphic Quartzite (SiO2)
metamorphic
Quartz Arenite / Sandstone
Quartz sandstone (SiO2 rich clastic sedimentary rock)
sedimentary
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Unakite
Altered Granite (Granitic Metamorphic Rock)
metamorphic
Quartzite
Metamorphic Quartzite (SiO2)
metamorphic
Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Granite
Intrusive Igneous Rock (Felsic)
igneous
White Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Quartzite
Metamorphic Quartz Sandstone
metamorphic
Quartz
Silicon Dioxide (SiO2)
mineral
White Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartzite
Metamorphic Quartzite (SiO2)
metamorphic
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz in Matrix
Silicon Dioxide (SiO2) in host rock matrix
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartzite
Metamorphic Quartzite (SiO2)
metamorphic
Red Granite
Granite (Felsic intrusive igneous rock)
igneous
Quartzite
Metamorphosed Quartz Sandstone
metamorphic
Quartz
Silicon Dioxide (SiO2)
mineral