Red Jasper
SiO2 (Silicon Dioxide with Iron inclusions)
Category
Browse mineralish (variety of chalcedony) specimens identified by the Rock Identifier community.
Red Jasper
SiO2 (Silicon Dioxide with Iron inclusions)
Rose Quartz
SiO2 (Silicon Dioxide with trace amounts of iron, manganese, or titanium)
Chert
Chert (Microcrystalline Quartz, SiO2)
Rose Quartz
Silicon Dioxide (SiO2)
Rose Quartz
Silicon Dioxide with traces of titanium, iron, or manganese (SiO2)
Green Slate (Greenstone)
Foliated Metamorphic Rock (rich in Chlorite/Epidote)
Chert (specifically Flint or Common Chert)
Silicon Dioxide (SiO2)
Chert (Nodular)
Microcrystalline Silica (SiO2)
Eagle Eye / Grey Tiger Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Red Jasper
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Chert (and Flint variant)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of Titanium, Iron, or Manganese
Amazonite
Microcline (KAlSi3O8)
Quartz (Milky or Smoky variety)
Silicon Dioxide (SiO2)
Carnelian (Orange Agate)
Silicon Dioxide (SiO2)
Epidote
Epidote (formula: Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))
Pyrite
Iron Sulfide (FeS2)
Quartz (Clear Quartz/Rock Crystal)
Silicon Dioxide (SiO2)
Fuchsite
K(Al,Cr)2(AlSi3O10)(OH)2
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
Quartz (Milky/Common)
Silicon Dioxide (SiO2)
Fluorite
Calcium Fluoride (CaF2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Emerald in Matrix
Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities
Smoky Quartz (Rough Specimen)
Silicon Dioxide (SiO2)
Amazonite in Pegmatite Matrix with Smoky Quartz
K(AlSi3O8) - Microcline (var. Amazonite) with SiO2 (Quartz)
Chert (specifically Flint)
Silicon dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Amazonite
Amazonite (KAlSi3O8)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with traces of titanium, iron, or manganese
Milky Quartz
Silicon Dioxide (SiO2)
Rose Quartz
Silicon Dioxide with traces of titanium, iron, or manganese (SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Chert (often called Flint or Jasper)
Silicon Dioxide (SiO2)