Rock Identifier

Category

Metamorphic (Man Made)

Browse metamorphic (man made) specimens identified by the Rock Identifier community.

Learn about Metamorphic (Man Made) in the encyclopedia

Opalite

Goldstone

Blue Goldstone

Talc Schist

Mica Schist

Talc-carbonate Rock

Talc-carbonate Rock

Zincite

Mariposite

Gondite

Quartzite

Lherzolite

Eclogite

Slate (Foliated Metamorphic Slate) — metamorphic

Slate

Foliated Metamorphic Slate

Quartzite (Metamorphic Quartzite (SiO2)) — metamorphic

Quartzite

Metamorphic Quartzite (SiO2)

Aventurine (Aventurine Quartz (SiO2 with inclusions of Fuchsite)) — metamorphic

Aventurine

Aventurine Quartz (SiO2 with inclusions of Fuchsite)

Marble (Recrystallized Calcite (CaCO3)) — metamorphic

Marble

Recrystallized Calcite (CaCO3)

Green Aventurine (Silicon Dioxide (SiO2) with inclusions of Fuchsite) — metamorphic

Green Aventurine

Silicon Dioxide (SiO2) with inclusions of Fuchsite

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Goldstone (N/A (Synthetic Glass with Copper Inclusions)) — Manufactured Glass

Goldstone

N/A (Synthetic Glass with Copper Inclusions)

Manufactured Glass

Polished greenstone pebble (Likely nephrite jade (tremolite–actinolite), though serpentine or greenstone is possible from appearance alone) — metamorphic

Polished greenstone pebble

Likely nephrite jade (tremolite–actinolite), though serpentine or greenstone is possible from appearance alone

Tumbled greenstone, likely nephrite jade (Nephrite jade (interlocking tremolite–actinolite amphibole; Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂)) — metamorphic

Tumbled greenstone, likely nephrite jade

Nephrite jade (interlocking tremolite–actinolite amphibole; Ca₂(Mg,Fe)₅Si₈O₂₂(OH)₂)

Corundum (Sapphire variant) (Aluminium oxide (Al2O3)) — mineral

Corundum (Sapphire variant)

Aluminium oxide (Al2O3)

Marble (Recrystallized Calcite (CaCO3)) — metamorphic

Marble

Recrystallized Calcite (CaCO3)

Quartzite (Quartzite (Metamorphic Quartz Sandstone)) — metamorphic

Quartzite

Quartzite (Metamorphic Quartz Sandstone)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Diorite (Gneissic) (Diorite) — igneous

Diorite (Gneissic)

Diorite

Quartzite (Metamorphic Quartzite (SiO2)) — metamorphic

Quartzite

Metamorphic Quartzite (SiO2)

Greenstone (Metamorphic mafic rock (chlorite-actinolite-epidote schist)) — metamorphic

Greenstone

Metamorphic mafic rock (chlorite-actinolite-epidote schist)

Moonstone (Orthoclase Feldspar ((K,Na)AlSi3O8) with Albite inclusions) — mineral

Moonstone

Orthoclase Feldspar ((K,Na)AlSi3O8) with Albite inclusions

Quartzite pebble (Quartzite (SiO2)) — metamorphic

Quartzite pebble

Quartzite (SiO2)

Nephrite Jade (Ca2(Mg,Fe)5Si8O22(OH)2) — metamorphic

Nephrite Jade

Ca2(Mg,Fe)5Si8O22(OH)2

Tiger's Eye (Pseudomorph of Quartz after Crocidolite (SiO2)) — metamorphic

Tiger's Eye

Pseudomorph of Quartz after Crocidolite (SiO2)

Probable amber fragment (Amber (fossilized plant resin; chiefly amorphous organic resin, commonly dominated by succinite)) — gemstone

Probable amber fragment

Amber (fossilized plant resin; chiefly amorphous organic resin, commonly dominated by succinite)

Rutilated Quartz (Quartz with Rutile inclusions (SiO2 with TiO2)) — mineral

Rutilated Quartz

Quartz with Rutile inclusions (SiO2 with TiO2)

Quartzite (Metamorphosed Quartz Sandstone) — metamorphic

Quartzite

Metamorphosed Quartz Sandstone

Nephrite Jade (Ca2(Mg, Fe)5Si8O22(OH)2) — metamorphic

Nephrite Jade

Ca2(Mg, Fe)5Si8O22(OH)2

Malaysian 50 Sen Coin (Coinage (specific alloy unknown without metallurgical analysis, but typically brass or bronze for this denomination and era)) — Man-made object (coin)

Malaysian 50 Sen Coin

Coinage (specific alloy unknown without metallurgical analysis, but typically brass or bronze for this denomination and era)

Man-made object (coin)

Amethyst (Silicon Dioxide (SiO2)) — mineral

Amethyst

Silicon Dioxide (SiO2)

Lapis Lazuli (Lapis Lazuli (Complex rock consisting primarily of Lazurite (Na,Ca)8(AlSiO4)6(S,SO4,Cl)1-2)) — metamorphic

Lapis Lazuli

Lapis Lazuli (Complex rock consisting primarily of Lazurite (Na,Ca)8(AlSiO4)6(S,SO4,Cl)1-2)

Quartzite (River Pebble) (Quartzite (Mainly SiO2)) — metamorphic

Quartzite (River Pebble)

Quartzite (Mainly SiO2)

Yellow Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Yellow Quartz Pebble

Silicon Dioxide (SiO2)

Amethyst (or Light Amethyst / Rose Quartz) (Quartz (Silicon Dioxide, SiO2)) — mineral

Amethyst (or Light Amethyst / Rose Quartz)

Quartz (Silicon Dioxide, SiO2)

Slate (Metamorphic pelitic rock) — metamorphic

Slate

Metamorphic pelitic rock

Graphite (Graphite (Carbon, C)) — mineral

Graphite

Graphite (Carbon, C)

Smoky Quartz (Faceted) (Silicon Dioxide (SiO2)) — gemstone

Smoky Quartz (Faceted)

Silicon Dioxide (SiO2)

Quartzite (Silica (SiO2) quartzite) — metamorphic

Quartzite

Silica (SiO2) quartzite

Petrified Wood (Silicified Wood) (Silicified Paleoflora (mainly Quartz, SiO2)) — metamorphic

Petrified Wood (Silicified Wood)

Silicified Paleoflora (mainly Quartz, SiO2)

Blue slag glass or dyed glass-like industrial material (Amorphous silicate glass; likely copper-bearing blue slag, but possibly colored man-made glass) — mineral

Blue slag glass or dyed glass-like industrial material

Amorphous silicate glass; likely copper-bearing blue slag, but possibly colored man-made glass

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Unakite (Altered Granite (Epidotized Granite)) — metamorphic

Unakite

Altered Granite (Epidotized Granite)

Quartzite Pebble (Quartzite (SiO2)) — metamorphic

Quartzite Pebble

Quartzite (SiO2)

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Smoky Quartz Cluster (Smoky Quartz (Silicon Dioxide - SiO2)) — mineral

Smoky Quartz Cluster

Smoky Quartz (Silicon Dioxide - SiO2)