Milky Quartz in Matrix
Silicon Dioxide (SiO2)
mineral
Category
Igneous
Browse igneous specimens identified by the Rock Identifier community.
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Smoky Quartz with Feldspar
Silicon Dioxide (SiO2) with Potassium Feldspar (KAlSi3O8)
mineral
Gabbro (River Cobble)
Gabbro (mafic intrusive rock)
igneous
Pyrite
Iron Sulfide (FeS2)
mineral
Rough Citrine Quartz
Citrine (Silicon Dioxide, SiO2 with iron impurities)
mineral
Dalmatian Jasper
Peralkaline Quartz-Feldspar Porphyry with Arfvedsonite
igneous
Granite
Granite (Phaneritic Quartz-Feldspar rock)
igneous
Granite Pebble
Granite
igneous
Granite
Granite
igneous
Dalmatian Jasper
Peralkaline rhyolite with Arfvedsonite inclusions
igneous
Pink Granite
Phaneritic Plutonic Igneous Rock (high K-feldspar)
igneous
Dalmatian Stone (Dalmatian Jasper)
Dalmatian Stone (A variety of Perthite / Aplite)
Igneous
Granite
Phaneritic Plutonic Felsic Rock
igneous
Granite
Phaneritic Felsic Igneous Rock (Granite)
igneous
Sodalite
Sodalite (Na4Al3Si3O12Cl)
Mineral
Granite
Felsic intrusive igneous rock
igneous
Granite
Granite (composed primarily of Quartz, Feldspar, and Mica/Amphibole)
igneous
Diorite (possibly Orbicular Diorite or Porphyritic Diorite)
Intermediate Phaneritic Igneous Rock
igneous
Pink Granite (River Pebble)
Phaneritic Felsic Igneous Rock
igneous
Granite
Granite (a common igneous rock)
igneous
Dalmatian Stone
Peralkaline Feldsphathic Igneous Rock
igneous
Granite
Intrusive igneous felsic rock
igneous
Dalmatian Stone (often called Dalmatian Jasper)
Peralkaline Feldsphathic Igneous Rock
igneous
Carnelian (Chalcedony)
Silicon Dioxide (SiO2)
mineral
Labradorite (Raw)
(Ca, Na)(Al, Si)4O8
mineral
Quartz (Milky/Snow)
Silicon Dioxide (SiO2)
mineral
Quartz with Muscovite Mica
Silicon Dioxide (SiO2) with Potassium Aluminum Silicate Hydroxide Fluoride (KAl2(AlSi3O10)(F,OH)2)
mineral
Yellow Agate
Silicon Dioxide (SiO2)
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Blue Apatite
Apatite-(CaF), Ca5(PO4)3F (Calcium Fluorophosphate)
mineral
Blue Apatite
Fluoroapatite (Ca5(PO4)3F)
mineral
Muscovite Mica
Muscovite (KAl2(AlSi3O10)(OH)2)
mineral
Hypersthene
Hypersthene (Magnesium Iron Silicate - (Mg,Fe)SiO3)
mineral
Ruby Zoisite
Anyolite (Calcium aluminium silicate with Chromium/Corundum inclusions)
metamorphic
Hematite
Iron(III) oxide (Fe2O3)
mineral
Biotite (Black Mica)
Biotite - K(Mg,Fe)3(AlSi3O10)(F,OH)2
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Muscovite Mica
Muscovite (KAl2(AlSi3O10)(OH)2)
mineral
Sodalite
Na8(Al6Si6O24)Cl2
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Feldspar-Quartz Rock (likely Pegmatite or Granite)
Feldspar-Quartz composite rock (KAlSi3O8 - SiO2)
igneous
Dalmatian Jasper / Dalmatian Stone
Peralkaline Rock (Silicon Dioxide with Amphibole inclusions)
igneous