Yellow Quartz (Citrine/Yellow Chalcedony)
Silicon Dioxide (SiO2)
mineral
Category
Sedimentary Or Metamorphic Derived
Browse sedimentary or metamorphic derived specimens identified by the Rock Identifier community.
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz (with trace inclusions)
Silicon Dioxide (SiO2)
mineral
Red Quartzite Slipper Stone
Quartzite (SiO2)
metamorphic
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Pink Tourmaline (Rubellite)
Elbaite (Tourmaline group) - Na(Li,Al)3Al6(BO3)3Si6O18(OH)4
mineral
Black Tourmaline
Schorl (Sodium iron aluminum borosilicate), NaFe3Al6(BO3)3Si6O18(OH)4
mineral
Biotite / Black Mica
Biotite K(Mg,Fe)3AlSi3O10(F,OH)2
mineral
Gold Ore
Native Gold (Au) in Matrix
mineral
Quartz Pebble
Crystalline Silicon Dioxide (SiO2)
mineral
Yellow Quartz (Citrine Quartz)
Silicon Dioxide (SiO2)
mineral
Dumortierite Quartz
Al7(BO3)(SiO4)3O3
mineral
Blue Quartz (Dumortierite Quartz)
Silicon Dioxide with Aluminum Borosilicate (SiO2 + AlAl6BSi3O18)
metamorphic
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2 with iron oxide inclusions)
metamorphic
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Quartzite
Quartzite (SiO2)
metamorphic
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Almandine Garnet & Tumbled Citrine Quartz
Fe3Al2(SiO4)3 (Garnet) and SiO2 (Quartz)
mineral
Epidote (Unakite-related)
Epidote (Ca2(Al,Fe)3(SiO4)3(OH))
metamorphic
Jadeite (Jade)
NaAlSi2O6 (Sodium Aluminum Silicate)
metamorphic
Sapphirine in Magnesian Schist
Sapphirine: (Mg,Al)8(Al,Si)6O20
metamorphic
Epidote
Epidote - {Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
mineral
Blue Quartz (Aventurine)
Silicon Dioxide (SiO2) with fibrous inclusions (commonly Dumortierite)
mineral
Ruby, Emerald, and Sapphire (Corundum and Beryl)
Corundum (Al2O3) and Beryl (Be3Al2Si6O18)
mineral
Citrine Quartz
Silicon Dioxide (SiO2) with iron impurities
mineral
Green Aventurine
Silicon Dioxide (SiO2) with Fuscite inclusions
mineral
Jadeite and Nephrite (Jade)
Sodium Aluminum Silicate (Jadeite) / Calcium Magnesium Iron Silicate (Nephrite)
metamorphic
Citrine Quartz
Citrine (Silicon Dioxide, SiO2)
mineral
Ruby
Corundum (Aluminum Oxide with Chromium), Al2O3:Cr
mineral
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2 with iron inclusions)
metamorphic
Schist
Mica Schist (primarily consisting of muscovite, biotite, and quartz)
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Quartzite River Stone
Quartzite (primarily SiO2)
metamorphic
Slate
Slate (foliated metamorphic rock)
metamorphic
Citrine Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartzite
SiO2 (Silicon Dioxide)
metamorphic
Unakite
Epidotized Granite
metamorphic
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
mineral
Smoky Quartz (with inclusions)
Silicon Dioxide (SiO2)
mineral
Sunstone
Oligoclase (Plagioclase Feldspar subclass), (Ca,Na)(Al,Si)4O8
mineral
Moonstone (Feldspar)
Orthoclase feldspar, (K,Na)AlSi3O8
mineral