Rock Identifier

Category

Sedimentary (Primary) With Artificial Modification

Browse sedimentary (primary) with artificial modification specimens identified by the Rock Identifier community.

Blue Apatite (Fluorapatite / Chlorapatite [Ca5(PO4)3(F,Cl,OH)]) — mineral

Blue Apatite

Fluorapatite / Chlorapatite [Ca5(PO4)3(F,Cl,OH)]

Fluorite-Gedrite in Quartz (Schist) (Fluorite (CaF2) with Gedrite in Quartz/Feldspar Matrix) — metamorphic

Fluorite-Gedrite in Quartz (Schist)

Fluorite (CaF2) with Gedrite in Quartz/Feldspar Matrix

Coarse-grained Granite (Granitoid (KAlSi3O8 + SiO2 + NaAlSi3O8)) — igneous

Coarse-grained Granite

Granitoid (KAlSi3O8 + SiO2 + NaAlSi3O8)

Amethyst (Amethyst (Silicon Dioxide with Iron impurities), SiO₂) — mineral

Amethyst

Amethyst (Silicon Dioxide with Iron impurities), SiO₂

Diamond (in a jewelry setting) (Carbon (C)) — mineral

Diamond (in a jewelry setting)

Carbon (C)

Arsenopyrite in Quartz Matrix (Arsenopyrite (FeAsS) with Quartz (SiO2)) — mineral

Arsenopyrite in Quartz Matrix

Arsenopyrite (FeAsS) with Quartz (SiO2)

Hematite (Hematite (Fe2O3)) — mineral

Hematite

Hematite (Fe2O3)

Granite Glacial Erratic (Intrusive Phaneritic Felsic Rock (Granite)) — igneous

Granite Glacial Erratic

Intrusive Phaneritic Felsic Rock (Granite)

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

Lepidolite

K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2 (Lithium-bearing Phyllosilicate)

Aquamarine (Beryl (Be₃Al₂Si₆O₁₈)) — mineral

Aquamarine

Beryl (Be₃Al₂Si₆O₁₈)

Rough Diamond (Diamond (pure Carbon, C)) — mineral

Rough Diamond

Diamond (pure Carbon, C)

Arsenopyrite (Arsenopyrite (FeAsS)) — mineral

Arsenopyrite

Arsenopyrite (FeAsS)

Rough Diamond (Diamond (pure carbon / C)) — mineral

Rough Diamond

Diamond (pure carbon / C)

Zinc Ore (Sphalerite in Matrix) (Sphalerite (Zn,Fe)S within a carbonate or silicate host rock) — mineral

Zinc Ore (Sphalerite in Matrix)

Sphalerite (Zn,Fe)S within a carbonate or silicate host rock

Chalcedony (specifically Blue Chalcedony or Common Opal variety) (Silicon Dioxide (SiO₂)) — mineral

Chalcedony (specifically Blue Chalcedony or Common Opal variety)

Silicon Dioxide (SiO₂)

Rough Diamond (Diamond (pure carbon, C)) — mineral

Rough Diamond

Diamond (pure carbon, C)

Amethyst (Amethyst (Silicon Dioxide - SiO2 with ferric iron impurities)) — mineral

Amethyst

Amethyst (Silicon Dioxide - SiO2 with ferric iron impurities)

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

Lepidolite

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

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

Yellow Quartz / Quartz Pebble

Silicon Dioxide (SiO2)

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

Yellow Quartz / Quartzite Pebble

Silicon Dioxide (SiO2)

Gold Nugget (Native Gold (Au)) — mineral

Gold Nugget

Native Gold (Au)

Milky Quartz (or Iron-Stained Quartz) (Quartz (Silicon Dioxide, SiO2)) — mineral

Milky Quartz (or Iron-Stained Quartz)

Quartz (Silicon Dioxide, SiO2)

Basalt (Greenstone) (Amygdaloidal Basalt / Chloritized Basalt) — Igneous

Basalt (Greenstone)

Amygdaloidal Basalt / Chloritized Basalt

Blue Sapphire (Ceylon) (Corundum (Al2O3) with traces of Iron and Titanium) — mineral

Blue Sapphire (Ceylon)

Corundum (Al2O3) with traces of Iron and Titanium

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

Milky Quartz (Water-worn Pebble)

Silicon Dioxide (SiO2)

Gold Nugget (Native Gold (Au)) — mineral

Gold Nugget

Native Gold (Au)

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

Quartz (River Pebble)

Silicon Dioxide (SiO2)

Milky Quartz with Iron Oxide Staining (Quartz (Silicon Dioxide, SiO2)) — mineral

Milky Quartz with Iron Oxide Staining

Quartz (Silicon Dioxide, SiO2)

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

Quartz (River Pebble)

Silicon Dioxide (SiO2)

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

Milky Quartz

Quartz (Silicon Dioxide - SiO2)

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

Milky Quartz

Crystalline Silicon Dioxide (SiO2)

Jadeite Jade (NaAlSi2O6 (Sodium Aluminum Silicate)) — metamorphic

Jadeite Jade

NaAlSi2O6 (Sodium Aluminum Silicate)

Quartz (Quartz (Silicon Dioxide, SiO2)) — Mineral

Quartz

Quartz (Silicon Dioxide, SiO2)

Basalt (Weathered Pebble) (Extrusive mafic igneous rock; minerals primarily Plagioclase feldspar and Pyroxene) — igneous

Basalt (Weathered Pebble)

Extrusive mafic igneous rock; minerals primarily Plagioclase feldspar and Pyroxene

Granite Cobble (Granite (Phaneritic igneous rock composed of Quartz, Feldspar, and Mica)) — igneous

Granite Cobble

Granite (Phaneritic igneous rock composed of Quartz, Feldspar, and Mica)

Aragonite (Yellow/Honey Tumble) (Calcium Carbonate (CaCO3)) — mineral

Aragonite (Yellow/Honey Tumble)

Calcium Carbonate (CaCO3)

Milky Quartz (Silicon Dioxide (SiO2)) — Mineral

Milky Quartz

Silicon Dioxide (SiO2)

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

Milky Quartz

Quartz (Silicon Dioxide - SiO2)

Banded Iron Formation (Banded Iron Formation (BIF)) — Metamorphic Rock

Banded Iron Formation

Banded Iron Formation (BIF)

Metamorphic Rock

Quartz (Silicon Dioxide (SiO2)) — Mineral

Quartz

Silicon Dioxide (SiO2)

Quartz (likely milky/gray variety) (Quartz (SiO₂)) — Mineral

Quartz (likely milky/gray variety)

Quartz (SiO₂)

Rhodonite (Rhodonite (Manganese Iron Magnesium Calcium Silicate) - (Mn,Fe,Mg,Ca)SiO3) — Mineral

Rhodonite

Rhodonite (Manganese Iron Magnesium Calcium Silicate) - (Mn,Fe,Mg,Ca)SiO3