Amazonite
Microcline Feldspar (KAlSi3O8)
Category
Browse sedimentary or metamorphic derived specimens identified by the Rock Identifier community.
Amazonite
Microcline Feldspar (KAlSi3O8)
Red Jasper (River pebble)
Jasper (Silicon Dioxide, SiO2 plus iron oxide impurities)
Aquamarine with Quartz
Beryl (Be3Al2Si6O18) with Quartz (SiO2)
Porphyritic Basalt
Porphyritic Mafic Extrusive Rock
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
Botryoidal Chalcedony with Calcite
Chalcedony (SiO2 with accessory minerals, likely CaCO3)
Blue Calcite
Calcium Carbonate (CaCO3)
3D Printed PLA Elephant (Silk Multi-color)
Polylactic Acid (C3H4O2)n
Botryoidal Hematite (Kidney Ore)
Iron(III) oxide (Fe2O3)
Amazonite
Amazonite (KAlSi3O8 - Microcline)
Amazonite
Potassium aluminum silicate (Microcline); KAlSi3O8
Diamond
Carbon (C)
Diamond
Carbon (C)
Carnelian Agate
Carnelian (Silicon Dioxide - SiO2 with Fe impurities)
Granite Cobble
Phaneritic Felsic Intrusive Rock (Granite)
Kyawthuite
Kyawthuite (Bi3+Sb5+O4)
Botryoidal Hematite (Iron Ore)
Iron(III) oxide (Fe2O3)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Fluorite
Calcium fluoride (CaF2)
Fluorite
Calcium Fluoride (CaF2)
Lepidolite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
Diamond
Diamond (C)
Rough Aquamarine
Beryl (Be₃Al₂Si₆O‑₁•H₂O)
Amygdaloidal Basalt with Quartz/Zeolite Infill
Amygdaloidal Basalt (extrusive volcanic rock with SiO2 or CaAl2Si3O10·3H2O infill)
Fuchsite
Chromium-rich Muscovite (K(Al,Cr)2(AlSi3O10)(OH)2)
Earthy Hematite (Iron Ore)
Iron(III) oxide (Fe2O3)
Diamond
Carbon (C), Native Element
Fluorite (Durango Fluorite)
Calcium Fluoride (CaF2)
Chrysocolla
Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (Hydrated Copper Phyllosilicate)
Amazonite
Potassium Feldspar (KAlSi3O8)
Rose Quartz
Rose Quartz (SiO2)
Carnelian (Red-Orange Chalcedony)
Silicon Dioxide (SiO2)
Aquamarine
Beryl (Be3Al2Si6O18)
Rose Quartz
Rose Quartz (SiO2 with inclusions of Dumortierite)
Pink Granite
Granite (Phaneritic igneous rock composed mainly of quartz, alkali feldspar, and plagioclase)
Chrysocolla
Hydrated copper silicates (Cu,Al)2H2Si2O5(OH)4·nH2O
Green Fluorite
Calcium Fluoride (CaF2)
Tree Agate
Chalcedony (SiO2) with Dendritic inclusions
Pink Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
Green Fluorite
Fluorite (Calcium Fluoride, CaF2)
Rainbow Fluorite
Calcium Fluoride (CaF2)
Aquamarine
Beryl (Be3Al2Si6O18)