Rock Identifier

Category

Synthetic Or Natural Fiber

Browse synthetic or natural fiber specimens identified by the Rock Identifier community.

Bauxite (Bauxite (Al(OH)3, AlO(OH))) — sedimentary

Bauxite

Bauxite (Al(OH)3, AlO(OH))

sedimentary
Yellow Jasper (Jasper (SiO2) with iron hydroxide inclusions) — sedimentary

Yellow Jasper

Jasper (SiO2) with iron hydroxide inclusions

sedimentary
Jasper (Silicon dioxide (SiO2)) — sedimentary

Jasper

Silicon dioxide (SiO2)

sedimentary
Lapis Lazuli (Lapis Lazuli (Complex silicate: Na8[Al6Si6O24]Sn)) — metamorphic

Lapis Lazuli

Lapis Lazuli (Complex silicate: Na8[Al6Si6O24]Sn)

metamorphic
Basalt River Stone (Basalt (Aphanitic Mafic Igneous Rock)) — igneous

Basalt River Stone

Basalt (Aphanitic Mafic Igneous Rock)

igneous
Quartzite Pebbles (Quartzite (SiO2)) — metamorphic

Quartzite Pebbles

Quartzite (SiO2)

metamorphic
Limonite (Ironstone) (Hydrous ferric oxides (FeO(OH)·nH2O)) — mineral

Limonite (Ironstone)

Hydrous ferric oxides (FeO(OH)·nH2O)

mineral
Chrysocolla on Matrix (Hydrated copper phyllosilicate (Cu,Al)2H2Si2O5(OH)4·nH2O) — mineral

Chrysocolla on Matrix

Hydrated copper phyllosilicate (Cu,Al)2H2Si2O5(OH)4·nH2O

mineral
Fossilized Shark Tooth (Carcharodon (Galeocerdo sp. or Lamniform)) — mineral

Fossilized Shark Tooth

Carcharodon (Galeocerdo sp. or Lamniform)

mineral
Meteorite (Chondrite) (L6 Ordinary Chondrite) — igneous

Meteorite (Chondrite)

L6 Ordinary Chondrite

igneous
Ocean Jasper (Orbicular Jasper (SiO2)) — sedimentary

Ocean Jasper

Orbicular Jasper (SiO2)

sedimentary
Amber / Copal (Organic resin, C10H16O) — mineral

Amber / Copal

Organic resin, C10H16O

mineral
Chondrite Meteorite (L or H Ordinary Chondrite) — igneous

Chondrite Meteorite

L or H Ordinary Chondrite

igneous
Strawberry Quartz (Quartz with Hematite inclusions (SiO2 + Fe2O3)) — mineral

Strawberry Quartz

Quartz with Hematite inclusions (SiO2 + Fe2O3)

mineral
Banded Chert (with Quartz Vein) (Microcrystalline Silica (SiO2)) — sedimentary

Banded Chert (with Quartz Vein)

Microcrystalline Silica (SiO2)

sedimentary
Petoskey Stone (Hexagonaria percarinata (Fossilized Rugose Coral)) — sedimentary

Petoskey Stone

Hexagonaria percarinata (Fossilized Rugose Coral)

sedimentary
Geode (unopened) or Calcareous Nodule (Siliceous or Calcareous Concretion/Nodule) — sedimentary

Geode (unopened) or Calcareous Nodule

Siliceous or Calcareous Concretion/Nodule

sedimentary
Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

mineral
Dinosaur Bone (Fossilized) (Permineralized Bone (CaCO3 or SiO2 after Hydroxylapatite)) — sedimentary

Dinosaur Bone (Fossilized)

Permineralized Bone (CaCO3 or SiO2 after Hydroxylapatite)

sedimentary
Basalt (Basalt (Aphanitic Mafic Igneous Rock)) — igneous

Basalt

Basalt (Aphanitic Mafic Igneous Rock)

igneous
Basalt (Basalt (composition of plagioclase, pyroxene, and olivine)) — igneous

Basalt

Basalt (composition of plagioclase, pyroxene, and olivine)

igneous
Basalt (Basalt (Mafic Extrusive Igneous Rock)) — igneous

Basalt

Basalt (Mafic Extrusive Igneous Rock)

igneous
Amber (Succinite (with approximate formula C10H16O)) — mineraloid

Amber

Succinite (with approximate formula C10H16O)

mineraloid
N/A (This is a digital image of a bar graph) (Digital Data Visualization (Bar Chart)) — This is not a rock or mineral

N/A (This is a digital image of a bar graph)

Digital Data Visualization (Bar Chart)

This is not a rock or mineral
Everest (Canis lupus familiaris (Siberian Husky)) — not a rock (animated character)

Everest

Canis lupus familiaris (Siberian Husky)

not a rock (animated character)
Granodiorite (Granodiorite (NaAlSi3O8 to CaAl2Si2O8 / SiO2)) — Igneous

Granodiorite

Granodiorite (NaAlSi3O8 to CaAl2Si2O8 / SiO2)

Igneous
Cloudy Quartz (Silicon Dioxide (SiO2)) — mineral

Cloudy Quartz

Silicon Dioxide (SiO2)

mineral
Orca Agate (Chalcedony (SiO2) with various inclusions) — mineral

Orca Agate

Chalcedony (SiO2) with various inclusions

mineral
Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

igneous
Basalt (Extrusive mafic igneous rock) — igneous

Basalt

Extrusive mafic igneous rock

igneous
Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

igneous
Jade (likely Jadeite or Nephrite) (Jadeite (NaAlSi2O6) or Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2)) — Mineral/Mineraloid

Jade (likely Jadeite or Nephrite)

Jadeite (NaAlSi2O6) or Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2)

Mineral/Mineraloid
Basalt (Basalt (composition of plagioclase feldspar and pyroxene)) — igneous

Basalt

Basalt (composition of plagioclase feldspar and pyroxene)

igneous
Basalt (Extrusive mafic igneous rock) — igneous

Basalt

Extrusive mafic igneous rock

igneous
Biological Bone (Patella/Knee) (Patella (part of the Human Skeletal System)) — Organic Structure (Not a Rock)

Biological Bone (Patella/Knee)

Patella (part of the Human Skeletal System)

Organic Structure (Not a Rock)
Slag (Industrial) (N/A (Anthropogenic Slag)) — industrial by-product

Slag (Industrial)

N/A (Anthropogenic Slag)

industrial by-product
Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

igneous
Basalt (Basalt) — igneous

Basalt

Basalt

igneous
Basalt (Basalt) — igneous

Basalt

Basalt

igneous
Basalt (Basalt) — igneous

Basalt

Basalt

igneous
Satin Spar (Selenite) (Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O) — mineral

Satin Spar (Selenite)

Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O

mineral
Pumice or Scoria (Vesicular volcanic rock) — Igneous

Pumice or Scoria

Vesicular volcanic rock

Igneous