Calcite
Calcite (Calcium Carbonate, CaCO3)
mineral
Category
Mineral With Metamorphic Or Sedimentary Host
Browse mineral with metamorphic or sedimentary host specimens identified by the Rock Identifier community.
Iolite (Cordierite)
Cordierite (Magnesium Aluminum Silicate), Mg2Al4Si5O18
Mineral
Almandine Garnet
Almandine (Fe3Al2Si3O12)
mineral
Schist
Schist
Metamorphic
Muscovite Schist with Quartz
Mica Schist (KAl2(AlSi3O10)(OH)2 with SiO2)
metamorphic
Fuchsite in Quartz
K(Al,Cr)2(AlSi3O10)(OH)2 (Muscovite with Chromium)
metamorphic
Calcite
Calcite (CaCO3)
Mineral
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite
metamorphic
Rhodonite
Rhodonite (Manganese Silicate), (Mn,Fe,Mg,Ca)SiO3
mineral
Anthracite Coal
Anthracite (Carbon-based sedimentary-metamorphic rock)
metamorphic
Mica Schist
Mica Schist (primarily Muscovite or Biotite sheet silicates)
metamorphic
Coarse Sand or Fine Gravel
Detrital Sedimentary Fragments (mostly SiO2)
sedimentary
Marble (polished)
Recrystallized Calcite (CaCO3)
metamorphic
Rhodonite
Manganese Inosilicate (MnSiO3), often with Ca, Fe, Mg, Zn
Mineral
Corundum (Sapphire/Ruby in Matrix)
Aluminium oxide (Al2O3)
mineral
Quartz
Quartz (SiO2 - Silicon Dioxide)
Mineral
Vesuvianite (Idocrase)
Ca19(Al, Mg, Fe)13(SiO4)10(Si2O7)4(OH, F, O)10
mineral
Mixed collection of Quartz varieties, Chalcedony, and metamorphic pebbles
Mixed gemstones (primarily Silicon Dioxide - SiO2)
mineral
Granitic Pegmatite
Granitic Pegmatite (principally Quartz, Potassium Feldspar, and Mica)
igneous
Eclogite
Eclogite (Omphacite + Pyrope)
metamorphic
Schist
Mica Schist (Metamorphic Rock)
metamorphic
Metaconglomerate
Metaconglomerate (Quartzite conglomerate)
metamorphic
Fluorite (left), Sodalite (middle), Dumortierite/Tumbled Quartzite (right)
Calcium Fluoride (CaF2), Sodium Aluminum Silicate Chloride (Na8(Al6Si6O24)Cl2), Aluminum Borosilicate (Al7(BO3)(SiO4)3O3)
mineral
Garnet (Almandine)
Almandine (Fe3Al2(SiO4)3)
metamorphic
Fuchsite Quartzite
Fuchsite-bearing Quartzite
Metamorphic
Puddingstone (Jasper Conglomerate)
Conglomerate (specific type: Jasper Conglomerate or Hertfordshire Puddingstone)
Sedimentary
Greywacke (Briarcliff Schist/Gneiss)
Manhattan Schist / Fordham Gneiss complex
metamorphic
Mica Schist
Schist (Muscovite/Biotite Schist)
metamorphic
Rhodonite
Rhodonite (MnSiO3)
mineral
Basalt with Mineral Vein (Cobble)
Basalt (with likely Quartz/Calcite vein)
Igneous
Chalcedony (Banded/Mottled Variety)
Chalcedony (a cryptocrystalline variety of Quartz, SiO2)
Mineral
Banded Gneiss (Variety of Gneiss)
Gneiss (specifically, a variety exhibiting prominent banding; mineral composition can vary, but often contains quartz, feldspar, mica, and amphibole)
Metamorphic Rock
Greenschist
Greenschist (containing Chlorite, Epidote, and Actinolite)
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
mineral
Rhodonite
Rhodonite (Mn,Fe,Mg,Ca)SiO3
mineral
Garnet
Garnet Group (Silicate Minerals), formula varies e.g., Alm: Fe3Al2(SiO4)3
mineral
Rhodonite
Rhodonite (Manganese Iron Magnesium Calcium Silicate) - (Mn,Fe,Mg,Ca)SiO3
Mineral
Anthracite Coal
Anthracite (Carbon-rich metamorphic sedimentary rock)
sedimentary
Ruby in Zoisite
Zoisite with Corundum (Ca2Al3(SiO4)(Si2O7)O(OH) + Al2O3)
metamorphic
Gneiss
Gneiss
metamorphic
Ferruginous Quartz on Ironstone
Silicon Dioxide (SiO2) with Hematite (Fe2O3)
metamorphic