Mica Schist
Mica Schist (primarily Muscovite and/or Biotite composition)
metamorphic
Category
Sedimentary Rock (Possibly A Conglomerate Or Coarse Grained Sandstone)
Browse sedimentary rock (possibly a conglomerate or coarse grained sandstone) specimens identified by the Rock Identifier community.
Rose Quartz
Silicon dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Granite
Course-grained intrusive igneous rock
igneous
Granitoid (Granite/Diorite)
Course-grained Plutonic Igneous Rock
igneous
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Chalcedony Nodule in Matrix
Silicon Dioxide (SiO2)
mineral
Rose Quartz
Silicon Dioxide with traces of titanium, iron, or manganese (SiO2)
mineral
Rose Quartz
Quartz (Silicon Dioxide) - SiO2
mineral
Rose Quartz
Silicon Dioxide (SiO2)
mineral
Pegmatite with Schorl (Black Tourmaline) and Mica
Pegmatite (complex association of NaAlSi3O8, NaFe3Al6(BO3)3Si6O18(OH)4, and KAl2(AlSi3O10)(OH,F)2)
igneous
Aquamarine
Beryl (Be3Al2Si6O18 with iron impurities)
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Aquamarine
Beryl (Be3Al2Si6O18 with Fe2+ impurities)
mineral
Rose Quartz
Silicon Dioxide (SiO2)
mineral
Muscovite Mica (Granitic Pegmatite)
Muscovite - KAl2(AlSi3O10)(OH)2
igneous
Olivine (Peridotite)
Olivine Group; (Mg, Fe)2SiO4
igneous
Rose Quartz
Quartz (Silicon Dioxide) - SiO2
mineral
Eudialyte in Matrix
Na15Ca6(Fe,Mn)3Zr3(Si,Nb) (Si25O73) (OH,Cl,H2O)3
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Amazonite
Amazonite (KAlSi3O8 – a variety of Microcline, a Potassium Feldspar)
mineral
Rose Quartz
Silicon Dioxide (SiO2) with traces of titanium, iron, or manganese
mineral
Amazonite
Amazonite (KAlSi3O8) - a variety of Microcline Feldspar
Mineral
Quartzite
Quartzite (primarily SiO2)
metamorphic
Limonite
FeO(OH)·nH2O (Hydrated iron oxide)
mineral
Quartzite
Quartzite (primarily SiO2)
metamorphic
Rose Quartz (likely carved)
Rose Quartz (SiO2)
Mineral
Rose Quartz
SiO2 (Silicon Dioxide)
mineral
Quartzite (River Cobble)
Quartzite (SiO2 silicon dioxide)
metamorphic
Aquamarine
Beryl (Be3Al2Si6O18), specifically the blue-green variety
Mineral
Quartzite
Quartzite (SiO2)
metamorphic
Chalcedony (or a variety of Chalcedony, likely Agate or Jasper)
Chalcedony (SiO₂)
Mineral (or mineraloid if microcrystalline)
Yellow Quartzite (or Quartz River Pebble)
Silicon Dioxide (SiO2)
metamorphic
Quartzite Pebble
Quartzite (primarily SiO2)
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Quartzite
Quartzite (primarily SiO2)
metamorphic
Aquamarine
Beryl (Be3Al2Si6O18)
Mineral
Quartzite
Quartzite (SiO2)
metamorphic
Sandstone (with differential weathering)
Arenite / Quartz Sandstone (SiO2)
sedimentary
Calcite
Calcite (CaCO3)
mineral
Quartzite
Quartzite (primarily SiO2)
metamorphic
Quartzite Pebble
Metamorphic Quartz (SiO2)
metamorphic
Quartzite
Metamorphosed Quartz Sandstone (SiO2)
metamorphic