Blue Lace Agate
Chalcedony (SiO2)
mineral
Category
Mineral (Specifically A Mineraloid)
Browse mineral (specifically a mineraloid) specimens identified by the Rock Identifier community.
Learn about Mineral (Specifically A Mineraloid) in the encyclopedia
View all →
Amazonite
Microcline (KAlSi3O8)
mineral
Blue Quartz (Dumortierite Quartz)
SiO2 with inclusion of AlAl6BSi3O18
mineral
Amethyst (Rough)
Silicon Dioxide with iron impurities (SiO2)
mineral
Ocean Jasper
Silicon Dioxide (SiO2) microcrystalline quartz aggregate with inclusions
mineral
Citrine
Silicon Dioxide (SiO2)
mineral
Smoky Quartz (with Iron Inclusions)
Silicon Dioxide (SiO2)
mineral
Citrine Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (likely Herkimer Diamond style)
Silicon Dioxide (SiO2)
mineral
Almandine Garnet
Almandine, Fe3Al2(SiO4)3
mineral
Rose Quartz
Silicon dioxide (SiO2)
mineral
Milky Quartz with inclusions
Silicon Dioxide (SiO2)
mineral
Flint
Microcrystalline Quartz (SiO2)
sedimentary
Raw Green Jasper
Silicon Dioxide (SiO2) with iron silicate inclusions
sedimentary
Sandstone (with ripple marks)
Arenite / Quartz Sandstone
sedimentary
Brecciated Jasper
Silicon dioxide (SiO2) microcrystalline quartz breccia
sedimentary
Blue Quartz (or Blue Aventurine)
Silicon Dioxide (SiO2) with inclusions (typically Crocidolite or Dumortierite)
mineral
Pegmatitic Granite
Granite (composed of Quartz, Feldspar, and Mica)
igneous
Green Apophyllite
Fluorapophyllite-(K), KCa4(Si8O20)(F,OH)·8H2O
mineral
Amazonite
K(AlSi3O8) (Microcline Feldspar)
mineral
Peach Moonstone
Orthoclase (Potassium Aluminum Silicate, KAlSi3O8)
mineral
Blue Calcite
Calcium Carbonate (CaCO3)
mineral
Amazonite
Amazonite (KAlSi3O8)
mineral
Sodalite
Na8(Al6Si6O24)Cl2
mineral
Yooperlite (Sodalite-bearing Syenite)
Sodalite-rich Syenite
igneous
Amazonite
Amazonite (KAlSi3O8)
mineral
Chlorastrolite (Isle Royale Greenstone)
Chlorastrolite (Pumpellyite-(Mg,Fe2+): Ca2MgAl2(Si2O7)(SiO4)(OH)2∙H2O)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Amazonite
K(AlSi3O8) - Microcline
mineral
Pink Granite
Granite (Phaneritic Quartz-Feldspar rock)
igneous
Ocean Jasper
Orbicular Jasper (Silicon Dioxide, SiO2)
mineral
Moonstone
Adularia (Potassium Aluminum Silicate, KAlSi3O8)
mineral
Almandine Garnet
Almandine (Fe3Al2(SiO4)3)
mineral
Tangerine Quartz
Silicon Dioxide (SiO2) with Hematite/Limonite coatings
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz Druzy
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral