Botryoidal Quartz
Silicon Dioxide (SiO2)
mineral
Category
Mineral With Metamorphic Or Sedimentary Host
Browse mineral with metamorphic or sedimentary host specimens identified by the Rock Identifier community.
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Pegmatite
Igneous Pegmatite
igneous
Quartz (Druzy) in host rock
SiO₂ (Silicon Dioxide) as Quartz, with unspecified host rock components (likely silicates and iron oxides)
Mineral
Concretionary Sandstone
Clastic Sedimentary Rock (Sandstone with secondary mineral cementation)
sedimentary
Turquoise
Hydrated phosphate of copper and aluminium: CuAl6(PO4)4(OH)8·4H2O
Mineral
Green Aventurine in Host Rock
Quartz (SiO2) with Fuchsite inclusions
mineral
Druzy Quartz on Sandstone
Silicon Dioxide (SiO2) with Quartz Crystals on Clastic Sedimentary Rock
sedimentary
Iron-rich quartzite or silicified ironstone
Quartz (SiO₂) with iron oxides/hydroxides, likely limonite/goethite and possibly hematite
metamorphic
Serpentinite
Serpentinite (complex silicate of magnesium, (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4)
metamorphic
Quartz Geode
Silicon Dioxide (SiO2) in sedimentary host rock
sedimentary
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Basalt with Quartz/Feldspar Vein
Mafic Volcanic Rock (Basalt) with SiO2 hydrothermal vein
igneous
Quartz crystals on Basalt
SiO2 (Quartz) on Mafic Igneous Rock (Basalt)
igneous
Chert (Jasper/Agate variety)
Silicon Dioxide (SiO2)
sedimentary
Limonite Geode / Ironstone Concretion with Quartz
Limonite with Quartz (FeO(OH)·nH2O + SiO2)
sedimentary
Quartz Geode
Silicon Dioxide (SiO2) - Crystalline Quartz
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Iron-stained quartz vein rock
Milky quartz (SiO₂) with limonite/goethite iron oxides, possibly in altered host rock
metamorphic
Jasper and Quartz Breccia
Silicified Breccia (SiO2)
sedimentary
Weathered iron-rich rock, possibly laterite or limonite-bearing sandstone
Iron oxides/hydroxides, chiefly limonite/goethite (FeO(OH)·nH₂O), with a probable silicate or clay matrix
sedimentary
Druzy Quartz on Chalcedony Matrix
Silicon Dioxide (SiO2)
mineral
Yellow Chalcedony (Agate/Carnelian variant)
Silicon Dioxide (SiO₂)
mineral
Milky quartz-rich rock
Quartz (SiO₂), likely massive milky quartz with minor iron-oxide staining and attached host material
mineral
Quartz Vein Pebble
Silicon dioxide (SiO2)
metamorphic
Quartz Geode (Druzy)
Crystalline Silicon Dioxide (SiO2)
mineral
Malachite in Host Rock
Malachite - Cu2CO3(OH)2
mineral
Chalcedony with Matrix
Silicon Dioxide (SiO2)
mineral
Red Jasper
Red Jasper (SiO2)
sedimentary
Quartz Geode with Chalcedony
Crystalline Silicon Dioxide (SiO2)
sedimentary
Quartz Crystal (Geode Fragment)
Silicon Dioxide (SiO2)
mineral
Emerald in Matrix
Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities
gemstone
Milky quartz (likely iron-stained quartz)
Quartz — silicon dioxide (SiO₂)
mineral
Turquoise
CuAl6(PO4)4(OH)8·4H2O
mineral
Banded Quartz with Host Rock / Quartz Vein Pebble
Silicon Dioxide (SiO2) in Metamorphic Matrix
metamorphic
Quartzite Pebbles with Quartz Veining
SiO2 (Silicon Dioxide with country rock matrix)
metamorphic
Quartz Vein in Host Rock
Silicon Dioxide (SiO2) in Slate/Schist
metamorphic
Blue Lace Agate
Cryptocrystalline Quartz (SiO2) with trace minerals
sedimentary
Druzy Quartz
Silicon Dioxide (SiO2)
mineral
Blue Apatite
Calcium Fluorophosphate - Ca5(PO4)3F
mineral
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
metamorphic
Serpentinite
Serpentinite (composed largely of serpentine group minerals including Antigorite, Lizardite, and Chrysotile, (Mg,Fe)3Si2O5(OH)4)
metamorphic
Blue Chalcedony
Chalcedony (Silicon Dioxide, SiO2)
mineral