Quartz (Milky/Common)
Silicon Dioxide (SiO2)
mineral
Category
Man Made Silicate (Anthropogenic Glass)
Browse man made silicate (anthropogenic glass) specimens identified by the Rock Identifier community.
Olivine
Olivine group (Mg, Fe)2SiO4
mineral
Chert (Flint)
Microcrystalline Quartz (SiO2)
sedimentary
Clear Quartz
Silicon dioxide (SiO2)
mineral
Quartz with Iron Staining
Quartz (Silicon Dioxide, SiO2)
mineral
Quartzite Pebble
Metamorphic Quartz (SiO2)
metamorphic
Quartzite (or Milky Quartz pebble)
Quartzite (Metamorphosed Sandstone) / Silicon Dioxide (SiO2)
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Quartz Crystal Point
Silicon Dioxide (SiO2)
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace elements of titanium, iron, or manganese
mineral
Rose Quartz
Quartz (Silicon Dioxide) - SiO2
mineral
Green Fluorite
Fluorite (Calcium Fluoride, CaF2)
mineral
Quartz / Common Opal
Silicon Dioxide (SiO2)
mineral
Milky Quartz with Iron Inclusions
Silicon Dioxide (SiO2)
mineral
Diamond (or Lab-Grown Cubic Zirconia)
Carbon (C)
mineral
Carnelian
Carnelian (Silicon Dioxide - SiO2)
mineral
Scoria
Vesicular Basalt / Scoria
igneous
Sandstone
Arenite
sedimentary
Pink Halite (Himalayan Salt)
Halite (Sodium Chloride, NaCl)
sedimentary
Rose Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Vesicular Basalt (commonly mistaken for Slag)
Scoriaceous Basalt (composed primarily of Plagioclase Feldspar and Pyroxene)
igneous
Banded Chert
Microcrystalline Quartz (SiO2)
sedimentary
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Rose Quartz (or Quartzite)
Silicon Dioxide (SiO2)
mineral
Quartz Geode
Silicon Dioxide (SiO2)
mineral
Fluorite Tower
Calcium Fluoride (CaF2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Red Coral
Corallium rubrum
mineral
Rose Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz (Pink/Orange Variety)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Blue Chalcedony (likely dyed Agate)
Silicon Dioxide (SiO₂)
mineral
Pyrite in Matrix (Fool's Gold)
Iron Disulfide (FeS2)
mineral
River Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
mineral
Potassium Feldspar (Orthoclase)
KAlSi3O8
mineral
Pink Orthoclase Feldspar with Dendrites
Orthoclase (KAlSi3O8) with Manganese Oxide dendrites
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Quartzite
Quartzite (SiO2 prominent)
metamorphic