Rock Identifier

Category

Metamorphic (Modified)

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

Learn about Metamorphic (Modified) in the encyclopedia

Metabasalt

Eulysite

Anthracite

Metaquartzite

Slate

Marble

Hornfels

Metarhyolite

Cordierite Hornfels

Cordierite Hornfels

Metagabbro

Calc-Silicate Rock

Calc-Silicate Rock

Chlorite Schist

Chlorite Schist

Quartzite (Metamorphic Quartzite (SiO2)) — metamorphic

Quartzite

Metamorphic Quartzite (SiO2)

Quartzite Pebbles (Sugar Quartz) (Metamorphic Quartzite (SiO2)) — metamorphic

Quartzite Pebbles (Sugar Quartz)

Metamorphic Quartzite (SiO2)

Quartzite (Metamorphic Quartz (SiO2)) — metamorphic

Quartzite

Metamorphic Quartz (SiO2)

Quartzite (Metamorphic Sandstone (SiO2)) — metamorphic

Quartzite

Metamorphic Sandstone (SiO2)

Slate (Slate (Metamorphic Rock)) — metamorphic

Slate

Slate (Metamorphic Rock)

Gneiss (Foliated Metamorphic Rock) — metamorphic

Gneiss

Foliated Metamorphic Rock

Light Blue Quartzite Pebbles / Decorative Stone (Metamorphic Quartzite (SiO2)) — metamorphic

Light Blue Quartzite Pebbles / Decorative Stone

Metamorphic Quartzite (SiO2)

Gneiss (Foliated Metamorphic Rock) — metamorphic

Gneiss

Foliated Metamorphic Rock

Quartzite pebble (Metamorphic Quartz (SiO2)) — metamorphic

Quartzite pebble

Metamorphic Quartz (SiO2)

Quartzite Cobble (Metamorphic Quartzite (SiO2)) — metamorphic

Quartzite Cobble

Metamorphic Quartzite (SiO2)

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

Quartzite (River Pebble)

Metamorphic Quartzite (SiO2)

Quartzite (Metamorphic Quartz (SiO2)) — metamorphic

Quartzite

Metamorphic Quartz (SiO2)

Gneiss (Gneissic Metamorphic Rock) — metamorphic

Gneiss

Gneissic Metamorphic Rock

Gneiss (Gneissic Metamorphic Rock) — metamorphic

Gneiss

Gneissic Metamorphic Rock

Quartzite Pebble (Metamorphic Quartz (SiO2)) — metamorphic

Quartzite Pebble

Metamorphic Quartz (SiO2)

Banded Gneiss (Gneiss (Metamorphic Rock)) — metamorphic

Banded Gneiss

Gneiss (Metamorphic Rock)

Quartzite (Metamorphic Quartz (SiO2)) — metamorphic

Quartzite

Metamorphic Quartz (SiO2)

Slate (Foliated metamorphic rock) — metamorphic

Slate

Foliated metamorphic rock

Foliated Metamorphic Rock (likely Gneiss or Schist) (Gneissic Metamorphic Rock) — metamorphic

Foliated Metamorphic Rock (likely Gneiss or Schist)

Gneissic Metamorphic Rock

Gneiss (Gneiss (a metamorphic rock)) — Metamorphic

Gneiss

Gneiss (a metamorphic rock)

Quartzite (Metamorphic Quartz (SiO2)) — metamorphic

Quartzite

Metamorphic Quartz (SiO2)

Muscovite Mica (Muscovite (KAl2(AlSi3O10)(F,OH)2)) — mineral

Muscovite Mica

Muscovite (KAl2(AlSi3O10)(F,OH)2)

Fuchsite (Cr-rich Muscovite (K(Al,Cr)2(AlSi3O10)(OH)2)) — mineral

Fuchsite

Cr-rich Muscovite (K(Al,Cr)2(AlSi3O10)(OH)2)

Quartz with Muscovite Mica (Silicon Dioxide (SiO2) with Potassium Aluminum Silicate Hydroxide Fluoride (KAl2(AlSi3O10)(F,OH)2)) — mineral

Quartz with Muscovite Mica

Silicon Dioxide (SiO2) with Potassium Aluminum Silicate Hydroxide Fluoride (KAl2(AlSi3O10)(F,OH)2)

Muscovite Mica (Muscovite (KAl2(AlSi3O10)(OH)2)) — mineral

Muscovite Mica

Muscovite (KAl2(AlSi3O10)(OH)2)

Fuchsite (Chromium-rich Muscovite (K(Al,Cr)2(AlSi3O10)(OH)2)) — mineral

Fuchsite

Chromium-rich Muscovite (K(Al,Cr)2(AlSi3O10)(OH)2)

Green aventurine quartz (probable) (Quartz, SiO₂, with fuchsite or other green mica inclusions) — mineral

Green aventurine quartz (probable)

Quartz, SiO₂, with fuchsite or other green mica inclusions

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

Green Aventurine

Aventurine Quartz (SiO2 with Fuchsite inclusions)

Ruby (Corundum) (Corundum (Aluminum Oxide with Chromium), Al2O3:Cr) — mineral

Ruby (Corundum)

Corundum (Aluminum Oxide with Chromium), Al2O3:Cr

Rhodonite (Rhodonite (Manganese Silicate), (Mn,Fe,Mg,Ca)SiO3) — mineral

Rhodonite

Rhodonite (Manganese Silicate), (Mn,Fe,Mg,Ca)SiO3

Pink Quartz (Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese) — mineral

Pink Quartz

Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese

Blue Apatite (Ca5(PO4)3(F,Cl,OH)) — mineral

Blue Apatite

Ca5(PO4)3(F,Cl,OH)

Clear Quartz (Silicon Dioxide (SiO2)) — mineral

Clear Quartz

Silicon Dioxide (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Yellow Beryl (Beryl (Be3Al2(SiO3)6)) — mineral

Yellow Beryl

Beryl (Be3Al2(SiO3)6)

Rose Quartz (Silicon Dioxide (SiO2)) — mineral

Rose Quartz

Silicon Dioxide (SiO2)

Pyrite Nodules / Weathered Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite Nodules / Weathered Pyrite

Iron Sulfide (FeS2)

Pink Quartz (Silicon Dioxide (SiO2)) — mineral

Pink Quartz

Silicon Dioxide (SiO2)

Jadeite Jade (NaAl(Si2O6)) — gemstone

Jadeite Jade

NaAl(Si2O6)

Aventurine (likely Green Aventurine) (Silicon Dioxide (SiO2) with mineral inclusions) — Mineral/Mineraloid within a rock matrix

Aventurine (likely Green Aventurine)

Silicon Dioxide (SiO2) with mineral inclusions

Mineral/Mineraloid within a rock matrix

Quartzite with Mafic Intrusion (Gneiss/Schist Contact) (Metamorphic Quartzite (SiO2) with Amphibole/Biotite Schist) — metamorphic

Quartzite with Mafic Intrusion (Gneiss/Schist Contact)

Metamorphic Quartzite (SiO2) with Amphibole/Biotite Schist

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)