Green Fluorite
Fluorite (Calcium Fluoride, CaF2)
mineral
Category
Sedimentary Or Igneous Associated Mineral
Browse sedimentary or igneous associated mineral specimens identified by the Rock Identifier community.
Learn about Sedimentary Or Igneous Associated Mineral in the encyclopedia
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Galena
Lead Sulfide (PbS)
mineral
Blue Kyanite
Kyanite (Al2SiO5)
Mineral
Grey Agate
Silicon Dioxide (SiO2) - Variety of Chalcedony
mineral
Satin Spar (Selenite)
Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O
mineral
Granite
Felsic intrusive igneous rock
igneous
Brecciated Jasper
Silicon Dioxide (SiO2) with mineral impurities
sedimentary
Chalcopyrite
Chalcopyrite (CuFeS2)
mineral
Chert / Chalcedony
Microcrystalline Quartz (SiO2)
sedimentary
Mica-rich pegmatite (likely muscovite-bearing quartz–feldspar rock)
Granitic pegmatite composed mainly of quartz, feldspar and muscovite; exact identification requires testing
igneous
Psilomelane (Black Hematite varietal)
Barium Manganese Oxide (Ba,H2O)2Mn5O10
mineral
Dragon Stone (Dragon Blood Jasper)
Epidote with Pietersite or Red Jasper inclusions (varied SiO2 and Ca2(Al,Fe)3(SiO4)3(OH))
metamorphic
Pyrite
Iron Sulfide (FeS2)
mineral
Greenstone
Greenschist (metamorphosed mafic igneous rock)
metamorphic
Yellow Jasper
Quartz (Silicon Dioxide, SiO2 with impurities)
sedimentary
Vesicular basalt (weathered scoria)
Scoriaceous basalt; chiefly plagioclase, clinopyroxene, olivine, and iron-titanium oxides
igneous
Jasper and Chalcedony Nodule
Silicon Dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Likely fluorite sphere
Fluorite (calcium fluoride, CaF₂)
mineral
Blue sodalite specimens
Sodalite, Na₈(Al₆Si₆O₂₄)Cl₂, commonly with white calcite veining
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of Titanium, Iron, or Manganese
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Greenschist
Greenschist (Chlorite-actinolite schist)
metamorphic
Granite
Granite (composed primarily of Quartz SiO2 and Feldspar (KAlSi3O8 – NaAlSi3O8 – CaAl2Si2O8))
igneous
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
mineral
Carnelian
Silicon Dioxide (Chalcedony variety), SiO2
mineral
Yellow Agate (Chalcedony)
Silicon Dioxide (SiO2)
mineral
Pink Opal
Hydrated silica (SiO2 "n H2O)
mineral
Likely quartz-rich rock fragment
Quartz (silicon dioxide, SiO₂), possibly in a granitic or pegmatitic matrix
mineral
Carnelian
Carnelian (Cryptocrystalline Quartz, SiO2)
mineral
River Stone (Chalcedony/Jasper variety)
Microcrystalline Quartz (SiO2)
sedimentary
Banded Chert
Silicon Dioxide (SiO2) with impurities
sedimentary
Greenstone
Greenschist / Meta-basalt
metamorphic
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Likely weathered gray stone, possibly basalt
Basalt (tentative; aphanitic mafic volcanic rock)
igneous
Gabbro
Gabbro (Coarse-grained Mafic Igneous Rock)
igneous
Banded Chert
Microcrystalline Quartz (SiO2)
sedimentary
Granite
Granite (Mainly Quartz SiO2, Alkali Feldspar (K,Na)AlSi3O8, and Plagioclase Feldspar)
igneous
Amazonite
K(AlSi3O8) - Lead-bearing Microcline (Tectosilicate)
mineral
Quartz Vein in Host Rock
Silicon Dioxide (SiO2) in matrix
mineral
Tumbled carnelian (orange chalcedony)
Carnelian, a microcrystalline variety of quartz (SiO₂)
mineral
Agate
Silicon Dioxide (Chalcedony), SiO2
sedimentary