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

Weathered vuggy quartz-rich rock (probable silicified limestone or quartz breccia) (Microcrystalline quartz (SiO₂) with calcite (CaCO₃), iron oxides, and minor clay minerals) — sedimentary

Weathered vuggy quartz-rich rock (probable silicified limestone or quartz breccia)

Microcrystalline quartz (SiO₂) with calcite (CaCO₃), iron oxides, and minor clay minerals

Jasper (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper

Microcrystalline Quartz (SiO2)

Jasper (Silicon Dioxide (SiO2) with impurities) — sedimentary

Jasper

Silicon Dioxide (SiO2) with impurities

Basalt with Chert or Jasper Inclusion (Igneous basalt / sedimentary chert nodule) — igneous

Basalt with Chert or Jasper Inclusion

Igneous basalt / sedimentary chert nodule

Granite Cobble / Gneiss (River Rock) (Granitic Gneiss / Felsic Igneous Rock) — igneous

Granite Cobble / Gneiss (River Rock)

Granitic Gneiss / Felsic Igneous Rock

Tree Agate (Silicon Dioxide (SiO2) with Dendritic Inclusions) — gemstone

Tree Agate

Silicon Dioxide (SiO2) with Dendritic Inclusions

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

Quartzite (Milky Quartz pebble) (Silicon Dioxide (SiO2)) — metamorphic

Quartzite (Milky Quartz pebble)

Silicon Dioxide (SiO2)

Mahogany Obsidian (Obsidian (Volcanic Glass with Hematite/Magnetite inclusions), SiO2) — igneous

Mahogany Obsidian

Obsidian (Volcanic Glass with Hematite/Magnetite inclusions), SiO2

Schist (Graphite or Mica rich) (Crystalline Schist (often containing Muscovite, Biotite, or Graphite)) — metamorphic

Schist (Graphite or Mica rich)

Crystalline Schist (often containing Muscovite, Biotite, or Graphite)

Milky Quartz in Conglomerate Matrix (Silicon Dioxide (SiO2) within Clastic Sedimentary Rock) — sedimentary

Milky Quartz in Conglomerate Matrix

Silicon Dioxide (SiO2) within Clastic Sedimentary Rock

Marble (Recrystallized Calcite Rock (CaCO3)) — metamorphic

Marble

Recrystallized Calcite Rock (CaCO3)

Quartz with Mica/Chlorite inclusions (Silicon Dioxide (SiO2) with phyllosilicate inclusions) — igneous/metamorphic mineral specimen

Quartz with Mica/Chlorite inclusions

Silicon Dioxide (SiO2) with phyllosilicate inclusions

igneous/metamorphic mineral specimen

Amygdaloidal Basalt (Basalt with secondary mineral infilling (SiO2/CO3)) — igneous

Amygdaloidal Basalt

Basalt with secondary mineral infilling (SiO2/CO3)

Sandstone (Clastic sedimentary rock (primarily SiO2)) — sedimentary

Sandstone

Clastic sedimentary rock (primarily SiO2)

Pyrite (Iron Disulfide (FeS2)) — mineral

Pyrite

Iron Disulfide (FeS2)

Botryoidal Chalcedony (Silicon Dioxide (SiO2)) — Mineral

Botryoidal Chalcedony

Silicon Dioxide (SiO2)

Apatite (Apatite Group (e.g., Fluorapatite Ca5(PO4)3F, Chlorapatite Ca5(PO4)3Cl, Hydroxylapatite Ca5(PO4)3(OH))) — mineral

Apatite

Apatite Group (e.g., Fluorapatite Ca5(PO4)3F, Chlorapatite Ca5(PO4)3Cl, Hydroxylapatite Ca5(PO4)3(OH))

Peach Selenite (Gypsum (CaSO4·2H2O)) — mineral

Peach Selenite

Gypsum (CaSO4·2H2O)

Rose Quartz (Silicon Dioxide (SiO2)) — mineral

Rose Quartz

Silicon Dioxide (SiO2)

Red Jasper and Green Aventurine (Silicon dioxide (SiO2)) — mineral

Red Jasper and Green Aventurine

Silicon dioxide (SiO2)

Quartz (Water-worn Pebble) (Silicon Dioxide (SiO2)) — mineral

Quartz (Water-worn Pebble)

Silicon Dioxide (SiO2)

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

Yellow Quartz / Quartz Pebble

Silicon Dioxide (SiO2)

Quartz Pebble with Hematite Inclusion (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble with Hematite Inclusion

Silicon Dioxide (SiO2)

Chalcedony (Carnelian/Jasper Pebble) (Cryptocrystalline Quartz (SiO2)) — mineral

Chalcedony (Carnelian/Jasper Pebble)

Cryptocrystalline Quartz (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2) — mineral

Lepidolite

K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2

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

Rose Quartz

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

Yellow Quartz (Silicon Dioxide (SiO2)) — mineral

Yellow Quartz

Silicon Dioxide (SiO2)

Quartz Sand Grain (Silicon Dioxide (SiO2)) — mineral

Quartz Sand Grain

Silicon Dioxide (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

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

Quartz (River Pebble)

Silicon Dioxide (SiO2)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

Yellow Quartz (Iron-Stained Quartz) (Silicon Dioxide (SiO2) with iron oxide inclusions) — mineral

Yellow Quartz (Iron-Stained Quartz)

Silicon Dioxide (SiO2) with iron oxide inclusions

Amber (Succinite (fossilized resin)) — mineral

Amber

Succinite (fossilized resin)

Quartz (Smoky/Milky variant) (Silicon Dioxide (SiO2)) — mineral

Quartz (Smoky/Milky variant)

Silicon Dioxide (SiO2)

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

Rose Quartz

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

Clear Quartz Crystal (Likely Golden Healer/Iron-Stained) (Silicon Dioxide (SiO2)) — mineral

Clear Quartz Crystal (Likely Golden Healer/Iron-Stained)

Silicon Dioxide (SiO2)

Quartz (Silicon dioxide (SiO2)) — Mineral

Quartz

Silicon dioxide (SiO2)

Montana Moss Agate (Chalcedony (Silicon Dioxide, SiO2)) — mineral

Montana Moss Agate

Chalcedony (Silicon Dioxide, SiO2)

Quartz (Milky/Smoky variety) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky/Smoky variety)

Silicon Dioxide (SiO2)

Limonite Pseudomorph after Pyrite (Limonite (Hydrous iron oxides, FeO(OH)·nH2O) replacing Pyrite (FeS2)) — mineral

Limonite Pseudomorph after Pyrite

Limonite (Hydrous iron oxides, FeO(OH)·nH2O) replacing Pyrite (FeS2)