Fluorite on Host Rock
Calcium Fluoride (CaF2)
mineral
Category
Sedimentary (Secondary Mineral) Within Igneous
Browse sedimentary (secondary mineral) within igneous specimens identified by the Rock Identifier community.
Learn about Sedimentary (Secondary Mineral) Within Igneous in the encyclopedia
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Pink Feldspar
Orthoclase (KAlSi3O8)
igneous
Septarian Nodule (Micro-fragment)
Septarian Nodule / Concretion (CaCO3 + CaMg(CO3)2 + Quartz)
sedimentary
Native Sulfur
Sulfur (S)
mineral
Satin Spar (Selenite)
Gypsum (CaSO4·2H2O)
mineral
Sandstone (Ferruginous)
Arenite (composed primarily of SiO2 with Fe2O3 staining)
sedimentary
Chrysoprase
Chalcedony with nickel impurities (SiO2)
gemstone
Golden Healer Quartz (Iron-Stained Quartz)
Silicon Dioxide (SiO2) with Iron Oxide/Hydroxide inclusions
mineral
Red Jasper
Jasper (Microcrystalline Quartz, SiO2)
sedimentary
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
metamorphic
Clear Quartz
SiO2 (Silicon Dioxide)
gemstone
Labradorite (tumbled)
Labradorite (a plagioclase feldspar mineral between anorthite and albite; chemical formula: (Ca,Na)(Si,Al)4O8)
Mineral
Chalcopyrite
CuFeS2
mineral
Moonstone
Orthoclase (Potassium Feldspar), (K,Na)AlSi3O8
mineral
Amethyst
Silicon Dioxide (SiO2) with iron impurities
mineral
Amethyst
Amethyst (Silicon Dioxide, SiO2 with Iron impurities)
mineral
Botryoidal Chalcedony
Chalcedony (SiO2)
Mineral
Wonderstone (Banded Rhyolite)
Rhyolite (Silicon Dioxide with Iron Oxide impurities)
igneous
Vesicular volcanic rock, likely weathered scoria
Scoria (vesicular basaltic-andesitic volcanic rock), composition approximately plagioclase, pyroxene, and volcanic glass
igneous
Yellow Jade (or Carnelian / Chalcedony)
SiO2 (Silicon Dioxide)
mineral
Smoky Quartz / Agate Pebbles
Silicon Dioxide (SiO2)
mineral
Quartz with Sulfide Inclusions
Silicon Dioxide (SiO2) with metallic mineral inclusions
mineral
Gneiss
Gneiss
metamorphic
Magnetite / Ironstone
Magnetite (Fe3O4)
mineral
Gneiss
Foliated Metamorphic Rock (Gneiss)
metamorphic
Basalt (Vesicular/Amygdaloidal)
Basalt
igneous
Milky Quartz with inclusions
Quartz (Silicon Dioxide, SiO2)
mineral
Vesicular volcanic rock, possibly weathered basalt or scoria
Basaltic scoria/vesicular basalt; predominantly plagioclase, pyroxene, and iron-titanium oxides
igneous
Granitic Pegmatite
Granitic Pegmatite (principally Quartz, Potassium Feldspar, and Mica)
igneous
Snakeskin Agate
Agate (Cryptocrystalline Quartz, SiO2)
mineral
Dyed Agate Geode (Pink/Magenta)
Silicon Dioxide (SiO2) - variety of Chalcedony/Quartz
mineral
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Ferruginous Quartz
Silicon Dioxide (SiO2) with iron oxide inclusions (Limonite/Hematite)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Limestone with Calcite Veins
Calcium Carbonate (CaCO3)
sedimentary
Limonite-stained Granite
Felsic Plutonic Rock with Hydrated Iron Oxides
igneous
Rhodochrosite
Manganese carbonate (MnCO3)
mineral
Sandstone Pebble
Arenite (Sandstone)
sedimentary
Sandstone with Liesegang Rings
Arenite with Iron Oxide Liesegang Banding
sedimentary
Basalt
Basalt (Aphanitic mafic volcanic rock)
igneous
Sandstone Concretion
Moqui Marble (Iron-oxide concretion)
sedimentary