Serpentine
Antigorite, Lizardite, or Chrysotile (Mg3Si2O5(OH)4)
metamorphic
Category
Mineral, Often Found As A Rock (Metamorphic)
Browse mineral, often found as a rock (metamorphic) specimens identified by the Rock Identifier community.
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Malachite
Copper carbonate hydroxide, Cu2CO3(OH)2
mineral
Blue Sapphire
Corundum (Al2O3)
mineral
Quartz Vein in Metamorphic Rock
Quartz-veined Schist or Gneiss
metamorphic
Jasper (Green)
Silicon dioxide (SiO2)
Mineral/Sedimentary
Chalcedony (Agate/Carnelian pebbles)
Cryptocrystalline Quartz (SiO2)
mineral
Quartzite river stone
Quartzite (SiO2)
metamorphic
Banded Slate
Slate (Metamorphosed Siltstone/Mudstone)
metamorphic
Tiger Iron
Tiger Iron (Hematite, Red Jasper, and Tiger's Eye)
metamorphic
Gneiss
Gneiss
metamorphic
Carnelian
Carnelian (SiO2)
mineral
Gneiss
Gneissic Metamorphic Rock
metamorphic
Banded Gneiss
Gneiss (Metamorphic Rock)
metamorphic
Amphibolite
Amphibolite
metamorphic
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Unakite
Unakite (altered granitic rock)
metamorphic
Psilomelane (Black Hematite/Manganese Ore)
Barium Manganese Oxide (Formula: BaMn9O18(OH)4)
mineral
Chert (potentially Flint or Mudstone)
Microcrystalline Quartz (SiO2)
sedimentary
Yellow Jasper
Silicon Dioxide (SiO2) with hydrated iron oxide impurities (Goethite)
sedimentary
Quartzite Pebble
Quartzite (principally SiO2)
metamorphic
Chert (Flint)
Microcrystalline Quartz (SiO2)
sedimentary
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite mica
metamorphic
Assorted Decorative Tumbled Stones (Quartz, Sodalite, Aventurine, Calcite)
Mixed Silicates and Carbonates (SiO2, Na8(Al6Si6O24)Cl2, CaCO3)
mineral
Ironstone / Hematite Concretion
Iron oxide / Fe2O3
sedimentary
Schist
Metamorphic rock (Schist)
metamorphic
Chert (Jasper)
Microcrystalline Quartz (SiO2)
sedimentary
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Chert (variations include Flint)
Microcrystalline or cryptocrystalline Quartz (SiO2)
sedimentary
Chert
Microcrystalline Quartz (SiO2)
sedimentary
Quartz with Mica/Host Rock
Silicon Dioxide (SiO2) with Phyllosilicates
mineral
Yellow Quartz
Silicon Dioxide (SiO2)
mineral
Eclogite
Eclogite (Omphacite + Pyrope)
metamorphic
Schist
Schist
metamorphic
Jasper
Jasper (Silicon Dioxide, SiO2)
sedimentary
Chalcanthite
Hydrated copper(II) sulfate (CuSO4·5H2O)
mineral
Quartzite
Quartzite
metamorphic
Carnelian Agate
Silicon Dioxide (SiO2) - variety of Chalcedony
sedimentary
Lepidolite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
mineral
Chert (Flint)
Silicon Dioxide (SiO2)
sedimentary
Unakite
Epidotized Granite (SiO2 with Ca2(Al, Fe)3(SiO4)3(OH))
metamorphic
Granitic Gneiss
Gneiss (Metamorphic Rock)
metamorphic
Gneiss
Gneiss (Metamorphic rock)
metamorphic