Polished/tumbled brecciated jasper (likely rainforest or ocean jasper)
Microcrystalline quartz (SiO₂), commonly mixed with chalcedony, iron oxides, and other silicates
mineral
Category
Mineral (Specifically, A Variety Of The Mineral Species Pyrope Almandine Garnet)
Browse mineral (specifically, a variety of the mineral species pyrope almandine garnet) specimens identified by the Rock Identifier community.
Learn about Mineral (Specifically, A Variety Of The Mineral Species Pyrope Almandine Garnet) in the encyclopedia
View all →
Actinolite
Ca2(Mg,Fe)5Si8O22(OH)2
mineral
Milky Quartz (with potential inclusion)
Silicon Dioxide (SiO2)
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Blue Calcite
Calcium Carbonate (CaCO3)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Blue Lace Agate
Cryptocrystalline variety of Quartz (SiO2)
mineral
Selenite
Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Jadeite
Jadeite (NaAlSi2O6)
metamorphic
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Schist
Schist (various mineral compositions)
Metamorphic
Yellow Jasper
Silicon Dioxide (SiO2) with goethite or limonite inclusions
sedimentary
Polished red jasper
Jasper, a microcrystalline variety of quartz (SiO₂), colored mainly by iron oxides
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Polished brecciated jasper (likely Picasso jasper)
Brecciated microcrystalline quartz/chalcedony; mainly SiO₂ with iron- and manganese-rich matrix
metamorphic
Red jasper (likely iron-rich chert)
Microcrystalline quartz, SiO₂, colored mainly by hematite/goethite
sedimentary
Red jasper pebble
Microcrystalline quartz (chalcedony), SiO₂, colored by iron oxides
metamorphic
Tumbled jasper, likely red/brown jasper
Microcrystalline quartz (chalcedony), SiO₂, colored by iron oxides
metamorphic
Jasper (likely Polychrome or Desert Jasper)
Silicon Dioxide (SiO2) with impurities
sedimentary (chemically precipitated mineral)
Tumbled brown jasper
Microcrystalline quartz (SiO₂), chiefly chalcedony with iron-oxide pigments
mineral
Carnelian
Carnelian (SiO2)
mineral
Gneiss
Gneiss (High-grade metamorphic rock)
metamorphic
Schist
Schist (Crystalline metamorphic rock)
metamorphic
Rutilated quartz bead bracelet
Quartz, silicon dioxide (SiO₂), with rutile inclusions (TiO₂)
mineral
Natural gemstone and mineral collection
Mixed specimens, including turquoise, tiger’s eye, amethyst, fluorite, pyrite, garnet, rose quartz, lapis lazuli, obsidian, rhodonite, red corundum, labradorite, calcite, lepidolite, sodalite, apatite, and others
mineral
Blue John Fluorite
Fluorite (Calcium Fluoride), CaF2
mineral
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Garnet-Bearing Gneiss
Garnetiferous Feldspathic Gneiss
metamorphic
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Fluorite (specifically Blue John or Banded Fluorite)
Calcium Fluoride (CaF2)
mineral
Likely garnet-bearing metamorphic rock
Garnet-mica schist or amphibolite; probable garnet-group mineral (X3Y2(SiO4)3) with mica/amphibole
metamorphic
Quartz-mica schist (likely garnet-bearing)
Schist dominated by quartz and mica; possible biotite/muscovite and garnet
metamorphic
Red Jasper (with Quartz)
Silicon Dioxide (SiO2) with Hematite inclusions
mineral
Sandstone (lithic/greywacke variety)
Arenite (composed primarily of SiO2 with various lithic fragments)
sedimentary
Polished Ocean Jasper (orbicular jasper)
Microcrystalline quartz (SiO₂) with chalcedony, feldspar, and iron-oxide inclusions
mineral
Tumbled jasper or iron-rich chert fragments
Jasper/chert, predominantly microcrystalline quartz (SiO₂) with iron-oxide inclusions
mineral
Tumbled red jasper (probable)
Jasper, microcrystalline quartz (SiO₂), colored mainly by iron oxides
mineral