Chert (Flint)
Silicon Dioxide (SiO2)
sedimentary
Category
Man Made Glass (Often Grouped With Minerals In Lapidary)
Browse man made glass (often grouped with minerals in lapidary) specimens identified by the Rock Identifier community.
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Almandine Garnet
Almandine (Fe3Al2(SiO4)3)
mineral
Sodalite
Sodalite, Na8(Al6Si6O24)Cl2
mineral
Jasper with Quartz Vein
Silicon Dioxide (SiO2) with impurities
sedimentary
![Turquoise (Hydrated phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O]) — mineral](https://media.rockidentification.com/92ebc6b5-08ac-4229-a727-57a096ec7f2c-thumbnail.jpg)
Turquoise
Hydrated phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O]
mineral
Quartz with inclusions (likely Tourmaline or Biotite)
Silicon Dioxide (SiO2)
mineral
Sodalite
Na8(Al6Si6O24)Cl2
mineral
Tumbled Green Jasper
Silicon Dioxide (SiO2) with mineral inclusions
sedimentary
Sodalite
Chloric sodium aluminum silicate (Na8(Al6Si6O24)Cl2)
mineral
Quartz Pebble (Sea Glass-like Quartz)
Quartz (Silicon Dioxide - SiO2)
mineral
Epidosite
Epidosite (consisting primarily of Epidote Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH) and Quartz SiO2)
metamorphic
Chert (often called Flint)
Chert (SiO2)
sedimentary
Chert Breccia (with Iron Staining)
Microcrystalline Quartz (SiO2) with iron oxides (Limonite/Goethite)
sedimentary
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Druzy Quartz on Chert/Siltstone
Silicon Dioxide (SiO2) on Microcrystalline Silica/Siltstone matrix
sedimentary
Chert (Flint Nodules)
Chert (Silicon Dioxide, SiO2)
sedimentary
Gemstone Ring
Various (Likely Glass, Cubic Zirconia, or assorted semi-precious stones)
gemstone
Chert (Flint Nodules)
Cryptocrystalline Quartz (SiO2)
sedimentary
Sodalite
Sodium Aluminum Silicate Chloride (Na8(Al6Si6O24)Cl2)
mineral
Chert (Quartz Variety)
Chert (Silicon Dioxide, SiO2)
sedimentary
Celadonite in Amygdaloidal Basalt
K(Mg,Fe2+)(Fe3+,Al)Si4O10(OH)2 (Celadonite mineral) within a Basalt matrix
igneous
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Quartzite
Metamorphic Quartzite (SiO2)
metamorphic
Chert (Iron-stained)
Silicon Dioxide (SiO2) with Ferruginous impurities
sedimentary
Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
mineral
Muscovite Mica
Muscovite (Potassium Aluminum Silicate Hydroxide Fluoride), KAl2(AlSi3O10)(OH,F)2
mineral
Chert (Flint/Chalcedony)
Silicon Dioxide (SiO2)
sedimentary
Chert (often called Flint)
Chert (Cryptocrystalline Quartz, SiO2)
sedimentary
Yellow Jasper
SiO2 (Silicon Dioxide with Iron Oxide inclusions)
mineral
Chert (Jaspery variety)
Microcrystalline Quartz (SiO2)
sedimentary
Fossilized Gastropod Shell
Gastropoda (Fossilized internal mold or shell body)
fossil
Serpentinite
Serpentinite (composed primarily of Serpentine group minerals like Antigorite, Lizardite, or Chrysotile)
metamorphic
Chert
Microcrystalline quartz (SiO2)
sedimentary
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Tumbled brown chalcedony (likely jasper or agate)
Microcrystalline quartz, SiO₂; chalcedony with iron-oxide staining
mineral
Black Tourmaline
Schorl (Sodium Iron Aluminum Borosilicate Hydroxide), NaFe3Al6(BO3)3Si6O18(OH)4
mineral
Chert (Jasper variety)
Silicon Dioxide (SiO2)
sedimentary
Biotite (Black Mica) in Host Rock
K(Mg,Fe)3AlSi3O10(OH,F)2
mineral
Quartz pebble
Silicon dioxide (SiO2)
sedimentary
Quartzite
Metamorphic Quartzite (SiO2)
metamorphic
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Jasper
Silicon dioxide (SiO2)
Mineral / Sedimentary