Painted Garden Rock (likely Granite or Limestone base)
Silicon Dioxide (SiO2) / Calcium Carbonate (CaCO3) based substrate with Acrylic/Enamel pigments
Category
Browse sedimentary rock (possibly conglomerate or breccia with a quartz vein) specimens identified by the Rock Identifier community.
Painted Garden Rock (likely Granite or Limestone base)
Silicon Dioxide (SiO2) / Calcium Carbonate (CaCO3) based substrate with Acrylic/Enamel pigments
Clear Quartz
Silicon Dioxide (SiO2)
Quartz (specifically Milky Quartz/Quartzite)
Silicon Dioxide (SiO2)
Chert (Jasper-like Silicate)
Microcrystalline Quartz (SiO2)
Sandstone with Quartz Sphere
Arenite (SiO2-rich sedimentary rock) with Quartzite/Rose Quartz sphere
K2 Azurite Granite / K2 Stone
Granite (igneous rock) with Azurite inclusions (mineral)
Raw galena specimen
Galena (lead sulfide, PbS)
Clear Quartz Sphere
Quartz (Silicon Dioxide, SiO2)
Jasper
Microcrystalline Quartz (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Blue Chalcedony
Chalcedony (a cryptocrystalline variety of Quartz - SiO₂)
Quartz (possibly Citrine or Smoky Quartz variety)
Silicon Dioxide (SiO2)
Likely weathered quartz-bearing rock fragment
Indeterminate; appears to contain quartz (SiO₂) with iron-oxide staining, possibly from quartzite, granite, or pegmatite
Chert (with Quartz Veining)
Microcrystalline Quartz (SiO2)
Quartz (Rock Crystal)
Quartz (SiO₂ - Silicon Dioxide)
Jasper (Red Jasper with Quartz veins)
Jasper (Silicon Dioxide, SiO2)
Dark metamorphic rock, possibly schist
Mica schist (probable; commonly quartz + muscovite/biotite, with possible graphite or chlorite)
Banded Pebble (Metamorphic Slate or Gneiss with Quartz Veining)
Metamorphic Rock with Quartz/Calcite Veins
Clear Quartz Cluster
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Clear Quartz (or Rock Crystal)
Quartz (SiO₂)
Tumbled jasper or rhyolitic porphyry
Silicic volcanic rock, likely rhyolite (quartz- and feldspar-rich), possibly jasperized
Milky Quartz Geode or Druzy Quartz
Silicon Dioxide (SiO2)
Granite
Granite (phaneritic felsic intrusive rock)
Gneiss with Quartz Veining
Gneiss (High-grade Metamorphic Rock)
Quartz-veined Chert
Silicon dioxide (SiO2)
Red Jasper (possibly Carnelian)
Silicon Dioxide (SiO2) with Hematite impurities
Chert or flint fragment
Microcrystalline quartz (SiO₂), commonly chalcedony with possible clay/iron-oxide impurities
Quartz (Milky/Common)
Quartz (Silicon Dioxide, SiO2)
Quartz (Common Milky Quartz)
Silicon Dioxide (SiO2)
Turquoise
Hydrated phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O]
Quartz (Druzy or Geode fragment)
Silicon Dioxide (SiO2)
Septarian Nodule Segment (Turtle Stone)
Septarian Concretion (CaCO3 with Siderite or Calcite infill)
Chert with Quartz Veining
Silicon Dioxide (SiO2)
Quartz Veined Jasper
Microcrystalline quartz (SiO2) with calcium carbonate or quartz veins
Dalmatian Jasper
Peralkaline Quartz-Feldspar Rock with Arfvedsonite
Quartz / Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Iron-rich sandstone or ferruginous quartzite
Hematite/goethite-bearing quartz sandstone; possibly weakly metamorphosed to quartzite
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz (Druzy)
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Quartz (Silicon Dioxide, SiO2)