Mixed Tumbled Stones Collection
Mixed Silicates and Carbonates (Quartz, Amorphous Silica, Carbonates)
Category
Browse mineral, variety of chalcedony (microcrystalline quartz) specimens identified by the Rock Identifier community.
Mixed Tumbled Stones Collection
Mixed Silicates and Carbonates (Quartz, Amorphous Silica, Carbonates)
Blue Sapphire
Corundum (Al2O3)
Quartz (Milky/Yellowish variety)
Silicon Dioxide (SiO2)
Greenstone (Metabaltic/Greenschist)
Chlorite schist / Meta-basalt
Yellow Quartz (Citrine Quartz or Yellow Chalcedony)
Silicon Dioxide (SiO2)
Bloodstone (Heliotrope)
Chalcedony (SiO2) with inclusions of Iron Oxide or Red Jasper
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Yellow Calcite
Calcium Carbonate (CaCO3)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Limonite with Quartz (Gossan)
Hydrated iron(III) oxide-hydroxide mixture (FeO(OH)·nH2O) with Silicon Dioxide (SiO2)
Sandstone (Ferruginous)
Clastic Sedimentary Rock (SiO2 with Fe2O3/FeOOH cement)
Quartz
Quartz (SiO₂)
Fuchsite Schist
Chromium-rich Muscovite (K(Al,Cr)2(AlSi3O10)(OH)2) in Schist
Yellow Calcite
Calcium Carbonate (CaCO3)
Rose Quartz
SiO2 (Silicon Dioxide with trace amounts of titanium, iron, or manganese)
Amazonite
K(AlSi3O8) - Microcline variant
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Moss Agate
Chalcedony (SiO2) with dendritic inclusions of Manganese or Iron oxide
Blue Lace Agate (Banded Chalcedony)
Silicon Dioxide (SiO₂)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Rock Crystal) with minor impurities
Quartz (SiO2)
Sandstone (with possibly iron oxides and other minerals)
Sandstone
Granite
Granite (Felsic Plutonic Rock)
Quartz (Milky or Cloudy variety)
Quartz (Silicon Dioxide, SiO2)
Rose Quartz
Silicon Dioxide with trace inclusions (SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with traces of titanium, iron, or manganese
Carnelian
Carnelian (subset of Chalcedony); SiO2 with Iron Oxide impurities
Grey Agate (Tumbled)
Silicon Dioxide (SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of Titanium, Iron, or Manganese
Limonite and Goethite encrusted Quartz (Iron-stained Gossan)
FeO(OH)·nH2O (Limonite) / FeO(OH) (Goethite) on SiO2 (Quartz)
Quartz (Smoky/Milky variety)
Silicon Dioxide (SiO2)
Quartz (Milky/Crystalline variety)
Silicon Dioxide (SiO2)
Quartz (Milky/Clear variety)
Silicon Dioxide (SiO2)
Dragon Blood Jasper
Epidote with Red Jasper inclusions (SiO2 and Ca2(Al,Fe)3(SiO4)3(OH))
Puddingstone (Jasper Conglomerate)
Conglomerate (specific type: Jasper Conglomerate or Hertfordshire Puddingstone)
Smoky Quartz
Silicon Dioxide (SiO2)
Quartz (Smoky/Grey variety)
Silicon Dioxide (SiO2)
Blue Lace Agate
Silicon Dioxide (SiO2)
Sandstone (Graywacke)
Clastic Sedimentary Rock (Lithic Sandstone)
Quartz Geode (Nodule)
Silicon Dioxide (SiO2)