Dalmatian Jasper
Peralkaline Quartz-Feldspar Rock with Arfvedsonite
igneous
Category
Sedimentary And Igneous (Mixed)
Browse sedimentary and igneous (mixed) specimens identified by the Rock Identifier community.
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Dalmation Jasper
Dalmation Stone (perthitic feldspar with arfvedsonite)
igneous
Dalmatian Stone
Dalmatian Jasper (actually a Peralkaline Igneous Rock)
igneous
Dalmation Stone
Peralkaline rhyolite (SiO2 with Arfvedsonite/Riebeckite)
igneous
Dalmation Jasper (or Dalmation Stone)
Dalmation Stone (composed of Perthite, Quartz, and Arfvedsonite)
igneous
Quartz pebble
Silicon dioxide (SiO2)
sedimentary
Blue Calcite
Calcium Carbonate (CaCO3)
mineral
Quartz crystal pendant
Quartz (silicon dioxide, SiO₂), likely rock crystal or milky quartz
mineral
Green fluorite (likely)
Fluorite, calcium fluoride (CaF₂)
mineral
Milky quartz
Quartz (silicon dioxide, SiO₂)
mineral
Quartz Pebble (Iron-Stained)
Silicon Dioxide (SiO2)
mineral
Milky Quartz (Ferruginous)
Silicon Dioxide (SiO2)
mineral
Amazonite
Microcline (variety Amazonite), K(AlSi3O8)
mineral
Labradorite
(Ca,Na)(Al,Si)4O8
mineral
Rough Green Sapphire (Corundum)
Corundum (Al2O3 - Aluminum Oxide with trace elements)
mineral
Quartz (Vein Quartz)
Silicon Dioxide (SiO2)
mineral
Milky Quartz with Chlorite/Mica inclusions
Silicon Dioxide (SiO2) with inclusions
mineral
Peacock Ore
Bornite (Cu5FeS4) or iridescent Chalcopyrite (CuFeS2)
mineral
Clear quartz crystal point
Quartz (silicon dioxide, SiO₂), likely a polished or cut crystal
mineral
Labradorite
Labradorite (Ca, Na)(Al, Si)4O8
mineral
Limonite-stained Quartz
Silicon Dioxide (SiO2) with Iron Oxide/Hydroxide (FeO(OH)·nH2O) staining
mineral
Dark Igneous Rock (Likely Basalt or Diabase)
Basalt (extrusive igneous rock) or Diabase (intrusive igneous rock - also known as Dolerite), largely composed of plagioclase feldspar, pyroxene (augite), and sometimes olivine and amphibole. Exact mineralogy would require thin section analysis.
Igneous
Granodiorite River Pebble
Granodiorite
igneous
Dalmatian Stone
Peralkaline Feldsphathic Igneous Rock
igneous
Sandstone or Mudstone with Iron Staining
Ferruginous Sandstone/Mudstone
Sedimentary
Tumbled quartz-rich stone, likely milky quartz
Quartz (SiO₂), possibly iron-stained milky quartz or quartzite
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Hematite
Iron(III) oxide (Fe2O3)
Mineral
Dalmatian Jasper (Dyed Blue)
Peralkaline Rock with Arfvedsonite and Blue Dye
igneous
Dalmatian Stone
Dalmatian Jasper (Aphanitic Igneous Rock with Arfvedsonite inclusions)
igneous
Dalmatian Stone
Dalmatian Jasper (Aplitic Rock)
igneous
Dalmatian Jasper
Peralkaline Quartz-Feldspar Rock with Arfvedsonite
igneous
River Stone (Basalt or Siltstone with banding)
Polished Basaltic or Siliciclastic River Cobble
igneous or sedimentary
Graphite
Carbon (C)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Tumbled Agate
Silicon Dioxide (Quartz variety: Chalcedony)
gemstone
Agate
Silicon Dioxide (Chalcedony), SiO2
sedimentary
Blue Agate Slice
Chalcedony (SiO2)
gemstone
Quartz
Silicon Dioxide (SiO2)
mineral
Agate
Silicon dioxide (Chalcedony), SiO2
sedimentary
Quartz
Silicon Dioxide (SiO2)
mineral