Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Category
Browse man made glass (often grouped with minerals in lapidary) specimens identified by the Rock Identifier community.
Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Rose Quartz
Quartz (SiO2) with trace amounts of titanium, iron, or manganese
Chert (Jasper variety)
Microcrystalline Quartz (SiO2)
Petrified Wood
Silicified Wood (SiO2)
Orbicular Granite (specifically Mustard or Yellow Tonalite/Granodiorite)
Orbicular Quartz Diorite / Tonalite
Granite
Phaneritic Felsic Igneous Rock
Granite / Quartz Vein Rock
Granitoid with Quartz (SiO2)
Sandstone
Arenite
Crushed Stone / Gravel
Aggregatus saxum (variable mineral composition)
Chert Nodules
Microcrystalline Quartz (SiO2)
Quartz Druzy (Geode Fragment)
Silicon Dioxide (SiO2)
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
Agate (or Quartz with Agate banding)
Silicon dioxide (SiO2)
Banded Chert (Jasper)
Silicon Dioxide (SiO2)
Yellow Aventurine
Quartzite with inclusions (SiO2)
Synthetic Resin (Artificial Specimen)
Polyurethane or Polyester Resin
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Milky Quartz with Mineral Inclusions
Quartz (Silicon Dioxide, SiO2)
Sandstone
Arenite (primarily SiO2)
Sodalite
Sodalite - Na8(Al6Si6O24)Cl2
Golden Healer Quartz
Silicon Dioxide (SiO2) with limonite/hematite inclusions
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
Granite
Granite (a phaneritic intrusive igneous rock)
Greenstone / Epidosite
Epidosite (Metasomatic rock consisting mainly of Epidite Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH) and Quartz)
Blue Quartz (Aventurine)
Silicon Dioxide (SiO2) with inclusions of Dumortierite or Magnesio-riebeckite
Sodalite
Sodalite, Na8(Al6Si6O24)Cl2
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Sunstone
Andesine-Labradorite Feldspar ((Ca,Na)(Al,Si)4O8)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz with inclusions
Silicon Dioxide (SiO2)
Quartz Geode Fragment with Iron Staining
Silicon Dioxide (SiO2)
Fuchsite in Quartz
Muscovite (KAl2(AlSi3O10)(OH)2) containing Chromium + Quartz (SiO2)
Pink Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
Chert (Jasper/Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Howlite
Calcium borosilicate hydroxide (Ca2B5SiO9(OH)5)
Quartz (Milky or Clear fragment)
Silicon Dioxide (SiO2)
Petrified Wood
Silicified Wood (primarily SiO2)
Wonderstone Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Chalcedony (or a variety of Chalcedony, likely Agate or Jasper)
Chalcedony (SiO₂)
Quartz (Smoky/Milky variety)
Silicon Dioxide (SiO2)
Iron-stained Quartz (Gossan/Limonite-coated Quartz)
Silicon Dioxide (SiO2) with Hydrated Iron Oxides (FeO(OH)·nH2O)
Quartz Pebble
Silicon Dioxide (SiO2)