Quartz Pebble
Silicon Dioxide (SiO2)
mineral
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.
Learn about Man Made Glass (Often Grouped With Minerals In Lapidary) in the encyclopedia
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Jasper
Jasper (Silica/Silicon Dioxide, SiO2)
sedimentary
Quartz Vein in Host Rock
Quartz (SiO2) in metamorphic host rock (likely schist or phyllite)
metamorphic
Chert (Nodule)
Silicon Dioxide (SiO2)
sedimentary
Amber (Copal)
Organic gemstone, fossilized tree resin (often immature amber or copal)
Mineral
Yellow Jasper
Silicon dioxide (SiO2)
sedimentary
Fossil Coral (Petoskey Stone / Rugose Coral)
Hexagonaria percarinata (or similar fossilized rugose/tabulate coral)
fossil
Petrified Wood
Fossilized Wood (SiO2 replacing organic matter)
fossil
Quartz (Common Quartz Pebble)
Silicon Dioxide (SiO2)
mineral
Petrified Wood
Silicified Wood (SiO2)
sedimentary
Chert / Flint Nodules
Cryptocrystalline Quartz (SiO2)
sedimentary
Tumbled Agate
Cryptocrystalline Quartz (SiO2)
sedimentary
Quartzite with Hematite staining
Metamorphosed Quartz Sandstone (SiO2)
metamorphic
Quartz (Milky or Iron-stained)
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Granite River Pebble
Granite (Felsic Plutonic Rock)
igneous
Chert (and Flint variant)
Chert (SiO2)
sedimentary
Tumbled rose quartz
Quartz (SiO₂), pink variety
mineral
Fuchsite
Fuchsite (a variety of Muscovite mica, K(Al,Cr)2(AlSi3O10)(OH)2)
mineral
Jasper, possibly Brecciated Jasper or Ocean Jasper due to patterns and color
Silicon Dioxide (SiO2), a variety of Chalcedony
Sedimentary Rock
Aventurine (Green)
Aventurine Quartz (SiO2 + Fuchsite inclusions)
mineral
Quartz Geode
Crystalline Silicon Dioxide (SiO2) within a nodule
sedimentary
Potassium Feldspar (Orthoclase)
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Lepidolite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
mineral
Petrified Wood
Silicified Wood (SiO2 permineralization)
fossil
Quartz (Agate/Chalcedony variety)
Silicon Dioxide (SiO2)
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace impurities of titanium, iron, or manganese
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Sandstone
Clastic sedimentary rock (primarily SiO2)
sedimentary
Unakite
Unakite (Metasomatized Granite)
metamorphic
Quartz Vein in Host Rock (often Granite or Schist)
Silicon Dioxide (SiO2) within host matrix
mineral with metamorphic or igneous host
Milky Quartz with Dendritic Inclusions
Silicon Dioxide (SiO2) with impurities
mineral
Chert (Agate / Jasper pebble)
Microcrystalline Quartz (SiO2)
sedimentary
Amethyst
Silicon Dioxide (SiO2) with iron impurities
mineral
Greenstone with Quartz Veining
Epidiorite or Metabasalt with SiO2 (Quartz) veins
metamorphic
Jasper (Polychrome Jasper)
Silicon Dioxide (SiO2) with various inclusions
sedimentary
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Jasper
Jasper (Silicon Dioxide, SiO2)
sedimentary
Chert (potentially Jasper)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (often called Flint)
Silicon Dioxide (SiO2)
sedimentary
Quartz Pebble
Silicon dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral