Mexican Crazy Lace Agate
Silicon Dioxide (SiO2) with iron and aluminum inclusions
mineral
Category
Mineral In Metamorphic Rock
Browse mineral in metamorphic rock specimens identified by the Rock Identifier community.
Diorite
Intermediate plutonic igneous rock
igneous
Quartz Geode
Silicon Dioxide (SiO2)
sedimentary
Quartz Druze
Silicon Dioxide (SiO2)
mineral
Chalcedony (Grey/White Agate)
Silicon Dioxide (SiO₂)
mineral
Quartz (Druzy/Macro-crystalline)
Silicon Dioxide (SiO2)
mineral
Sparkling Druzy Quartz on Matrix
Silicon Dioxide (SiO2) with iron oxide inclusions
mineral
Fluorite (Rainbow or Multi-colored Fluorite)
Fluorite (Calcium Fluoride - CaF2)
mineral
Pyrite (Iron Pyrite)
Iron Sulfide (FeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Gold-bearing Quartz
Lode Gold in Silicon Dioxide (SiO2)
mineral
Yellow Beryl (Heliodor)
Beryllium aluminum silicate (Be3Al2Si6O18)
mineral
Lazulite
Lazulite (Mg,Fe2+)Al2(PO4)2(OH)2
mineral
Granite with Mafic Inclusions
Granite (Phaneritic igneous rock composed of Quartz, Feldspar, and Mica)
igneous
Bauxite
Bauxite (Al(OH)3 mixed with Fe2O3 and clay minerals)
sedimentary
Specular Hematite
Iron Oxide (Fe2O3)
mineral
Blue Sapphire
Corundum (Al2O3)
mineral
Diorite
Diorite (plutonic igneous rock)
igneous
Peacock Ore (Chalcopyrite)
Chalcopyrite (CuFeS2)
mineral
Blue Quartz (Aventurine)
Silicon Dioxide (SiO2) with inclusions of Dumortierite or Magnesio-riebeckite
mineral
Silver (Native Element / Alloy)
Silver (Ag)
mineral
Quartz (Milky or White Quartz)
Silicon Dioxide (SiO2)
mineral
Arsenopyrite with Quartz
Arsenopyrite (FeAsS)
mineral
Quartz Geode
Silicon Dioxide (SiO2) in a Secondary Formation
sedimentary
Greenschist
Greenschist (Chlorite Schist)
metamorphic
Sandstone
Clastic Sedimentary Rock (primarily Quartz, SiO2)
sedimentary
Pebble (Likely Basalt or Siltstone)
Clastic sedimentary rock or mafic volcanic rock
Igneous or Sedimentary
Jasper in Basalt Matrix
Silicon Dioxide (SiO2) with impurities; Chalcedony
sedimentary (secondary mineral) within igneous
Moonstone
Adularia (Potassium Aluminum Silicate, KAlSi3O8)
mineral
Blue Calcite
Calcium Carbonate (CaCO3)
Mineral
Hematite (Tumbled)
Iron(III) oxide (Fe2O3)
mineral
Dragon Blood Jasper
Epidote with Pietersite or Red Jasper (Silicate mineral)
metamorphic
Agate
Silicon Dioxide (SiO2) - variety of Chalcedony
mineral
Pink Feldspar
Orthoclase (KAlSi3O8) or Microcline
mineral
Pebble or Cobble (likely composed of sandstone or conglomerate)
Clastic Sedimentary Rock (specific name like sandstone, conglomerate, or breccia would require microscopic analysis of clast size and angularity)
Sedimentary Rock (possibly a conglomerate or coarse-grained sandstone)
Sandstone (Ferruginous)
Arenite (complex silicate composition with iron oxides)
sedimentary
Amygdaloidal Basalt with Epidote
Vesicular Basalt with secondary Epidote/Quartz mineral infill
igneous
Charoite
K(Ca,Na)2Si4O10(OH,F)·H2O
metamorphic
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Borosilicate Glass (Manufactured)
SiO2 + B2O3 (Silicon dioxide and Boron trioxide)
Synthetic/Amorphous Solid