Rock Identifier

Category

Mineral Like Byproduct

Browse mineral like byproduct specimens identified by the Rock Identifier community.

Learn about Mineral Like Byproduct in the encyclopedia

Calc-Silicate Rock

Calc-Silicate Rock

Garden Quartz

Sagenite Agate

Ribbon Jasper

Leopard Skin Jasper

Leopard Skin Jasper

Flower Jasper

Dendritic Opal

Feather Jasper

Starburst Agate

Plume Agate

Feather Agate

Landscape Opal

Greenstone / Metabasalt (Chlorite schist or Epidiorite) — metamorphic

Greenstone / Metabasalt

Chlorite schist or Epidiorite

Gneiss (Metamorphic rock of high-grade regional metamorphism) — metamorphic

Gneiss

Metamorphic rock of high-grade regional metamorphism

Pegmatite (Granitic Pegmatite) — igneous

Pegmatite

Granitic Pegmatite

Conglomeratic Sandstone (Clastic Sedimentary Rock) — sedimentary

Conglomeratic Sandstone

Clastic Sedimentary Rock

Sandstone (Arenite (SiO2 dominant)) — sedimentary

Sandstone

Arenite (SiO2 dominant)

Wollastonite (Calcium Inosilicate, CaSiO3) — mineral

Wollastonite

Calcium Inosilicate, CaSiO3

Black Tourmaline (Schorl) (NaFe2+3Al6(BO3)3Si6O18(OH)4) — mineral

Black Tourmaline (Schorl)

NaFe2+3Al6(BO3)3Si6O18(OH)4

Beryl (Aquamarine) in Matrix (Beryllium aluminum silicate (Be3Al2(SiO3)6)) — mineral

Beryl (Aquamarine) in Matrix

Beryllium aluminum silicate (Be3Al2(SiO3)6)

Sodalite (Dotted or Spotted Variety) (Sodalite (Na8(Al6Si6O24)Cl2)) — mineral

Sodalite (Dotted or Spotted Variety)

Sodalite (Na8(Al6Si6O24)Cl2)

Sandstone (Red) (Arenite (primarily Quartz, SiO2, with Iron Oxide cement)) — sedimentary

Sandstone (Red)

Arenite (primarily Quartz, SiO2, with Iron Oxide cement)

Milky Quartz with Tourmaline and Iron Oxides (Silicon Dioxide (SiO2) with Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)) — mineral

Milky Quartz with Tourmaline and Iron Oxides

Silicon Dioxide (SiO2) with Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)

Quartz Geode Fragment (Silicon Dioxide (SiO2)) — mineral

Quartz Geode Fragment

Silicon Dioxide (SiO2)

Specular Hematite (Iron(III) oxide (Fe2O3)) — mineral

Specular Hematite

Iron(III) oxide (Fe2O3)

Peridot (Olivine) (Magnesium Iron Silicate (Mg, Fe)2SiO4) — mineral

Peridot (Olivine)

Magnesium Iron Silicate (Mg, Fe)2SiO4

Tree Agate (Dendritic Agate (Silicon Dioxide - SiO2)) — mineral

Tree Agate

Dendritic Agate (Silicon Dioxide - SiO2)

Dendritic Agate (Tree Agate) (Chalcedony (Silicon Dioxide, SiO2) with Manganese or Iron Oxide inclusions) — mineral

Dendritic Agate (Tree Agate)

Chalcedony (Silicon Dioxide, SiO2) with Manganese or Iron Oxide inclusions

Quartz crystal with Pyrite inclusions (Silicon Dioxide (SiO2) with Iron Sulfide (FeS2)) — mineral

Quartz crystal with Pyrite inclusions

Silicon Dioxide (SiO2) with Iron Sulfide (FeS2)

Dyed Quartz (often sold as 'Blue Quartz' or 'Blue Agate') (Silicon Dioxide (SiO2) with artificial pigment) — mineral

Dyed Quartz (often sold as 'Blue Quartz' or 'Blue Agate')

Silicon Dioxide (SiO2) with artificial pigment

Silver (Ag (Native Silver)) — mineral

Silver

Ag (Native Silver)

Fluorite (Fluoride (Calcium Fluoride - CaF2)) — mineral

Fluorite

Fluoride (Calcium Fluoride - CaF2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Obsidian (Volcanic glass (SiO2 - Silicon dioxide predominant composition)) — Igneous

Obsidian

Volcanic glass (SiO2 - Silicon dioxide predominant composition)

Granite (Granite) — igneous

Granite

Granite

Basalt with Epidote/Quartz Vein (Mafic Volcanic Rock with Hydrothermal Veining) — igneous

Basalt with Epidote/Quartz Vein

Mafic Volcanic Rock with Hydrothermal Veining

Waterworn Pebble / Quartzite (Metamorphic/Sedimentary rock fragment) — sedimentary

Waterworn Pebble / Quartzite

Metamorphic/Sedimentary rock fragment

Quartz pebble (Quartzite / Chert) (Silicon Dioxide (SiO2)) — sedimentary

Quartz pebble (Quartzite / Chert)

Silicon Dioxide (SiO2)

Greenschist (Chlorite schist) — metamorphic

Greenschist

Chlorite schist

Granite River Pebble (Granite) — igneous

Granite River Pebble

Granite

Green Jasper (Silicon Dioxide (SiO2) with iron silicate inclusions) — sedimentary

Green Jasper

Silicon Dioxide (SiO2) with iron silicate inclusions

Greenschist (Greenschist facies metamorphic rock) — metamorphic

Greenschist

Greenschist facies metamorphic rock

Vesicular Basalt (or Scoria) (Vesicular Basalt) — igneous

Vesicular Basalt (or Scoria)

Vesicular Basalt

Greenschist / Greenstone (Greenschist facies metabasite) — metamorphic

Greenschist / Greenstone

Greenschist facies metabasite

Common Opal in Host Rock (Hydrated Silica (SiO2·nH2O)) — mineraloid

Common Opal in Host Rock

Hydrated Silica (SiO2·nH2O)

Fossilized Shark Tooth (Otodus) (Otodus obliquus) — fossil

Fossilized Shark Tooth (Otodus)

Otodus obliquus

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

Sandstone Pebble (Sedimentary Clastic Rock (Quartz Arenite)) — sedimentary

Sandstone Pebble

Sedimentary Clastic Rock (Quartz Arenite)

Obsidian (Volcanic glass (high silica volcanic rock)) — igneous

Obsidian

Volcanic glass (high silica volcanic rock)

Kyanite (within Quartz) (Kyanite (Al2SiO5) in crystalline Quartz base (SiO2)) — metamorphic

Kyanite (within Quartz)

Kyanite (Al2SiO5) in crystalline Quartz base (SiO2)

Petrified Wood (Silicified Wood (SiO2)) — sedimentary

Petrified Wood

Silicified Wood (SiO2)

Rose Quartz (Silicon dioxide (SiO2)) — mineral

Rose Quartz

Silicon dioxide (SiO2)

Quartz Geode (Silicon Dioxide (SiO2)) — mineral

Quartz Geode

Silicon Dioxide (SiO2)