Leopard Skin Jasper
Jasper (Silicon Dioxide with impurities), SiO2
sedimentary
Category
Mineral Like Byproduct (Technogenic)
Browse mineral like byproduct (technogenic) specimens identified by the Rock Identifier community.
Learn about Mineral Like Byproduct (Technogenic) in the encyclopedia
View all →
Dinosaur Skin Fossil
Fossilized dermis / epidermal impression
fossil
Copper Ore
Mixed copper sulfides/oxides in gangue matrix
mineral
Desert Rose (Sand Barite/Gypsum Rose)
Barium Sulfate (BaSO4) or Hydrated Calcium Sulfate (CaSO4·2H2O)
mineral
Greenstone (Metabalt)
Chlorite schist / Epidiorite
metamorphic
Pink Dyed Agate
Chalcedony (SiO2) with artificial dyes
mineral
Sandstone
Arenite (lithic or quartz sandstone)
sedimentary
Limonite
FeO(OH)•nH2O
mineral
Limonite
FeO(OH)•nH2O
mineral
Granite
Felsic intrusive igneous rock
igneous
Echinoid Fossil
Class Echinoidea
fossil
Petrified Wood
Silicified Wood (SiO2)
fossil
Lepidolite (Lithium Mica)
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
mineral
Quartz Pebble (with Hematite Inclusions)
Silicon Dioxide (SiO2)
mineral
Fossil Snail
Gastropoda (fossilized)
fossil
Graphic Granite / Pegmatite
Graphic Granite (Alkali Feldspar and Quartz)
igneous
Amygdaloidal Basalt
Vesicular Basalt with Mineral Infills
igneous
Brachiopod Fossil
Phylum Brachiopoda
fossil
Potassium Feldspar (Orthoclase)
Orthoclase (KAlSi3O8)
mineral
Quartz Geode Fragment
Silicon Dioxide (SiO2)
mineral
Gabbro (River Cobble)
Gabbro (mafic intrusive rock)
igneous
Epidote
Epidote (Ca2(Al, Fe)3(SiO4)3(OH))
mineral
Geode (Unopened)
Chalcedony/Quartz Geode (SiO2)
sedimentary
Greenstone Pebble
Metabasalt (often containing chlorite, actinolite, or epidote)
metamorphic
Sandstone
Arenite (primarily composed of SiO2)
sedimentary
Limonite
FeO(OH)•nH2O
mineral
Lepidolite
K(Li,Al)3(Al,Si,4)10(O,F,OH)2
mineral
Obsidian
Amorphous volcanic glass (primarily SiO2)
igneous
Potassium Feldspar (Orthoclase / Microcline)
KAlSi3O8
mineral
Granite
Granite
igneous
Petrified Wood
Silicified Wood (SiO2)
sedimentary
Rough Rose Quartz
Quartz (Silica - SiO2)
mineral
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
mineral
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si)4O10(F,OH)2)
mineral
Rhodonite
Rhodonite (Manganese Iron Magnesium Calcium Silicate - (Mn,Fe,Mg,Ca)SiO3)
mineral
Quartz with Epidote inclusions
Silicon Dioxide (SiO2) with Epidote (Ca2(Al,Fe)3(SiO4)3(OH))
mineral
Quartz Geode Fragment
Silicon Dioxide (SiO2)
sedimentary
Shark Tooth Fossil
Carcharocles megalodon or similar fossilized shark tooth
fossil
Greenstone (Diabase or Metabasalt)
Metamorphosed Mafic Igneous Rock
metamorphic
Petrified Wood
Silicified wood (Quartz replacement of organic matter)
fossil
Sandstone
Arenite (typically SiO2 based)
sedimentary
Fossilized Shark Tooth (Sand Tiger)
Carcharias sp. (Fossilized Tooth)
fossil