Calcite (Yellow/Orange variety - sometimes called Honey Calcite)
Calcite
Category
Browse metamorphic rock (variety of quartz) specimens identified by the Rock Identifier community.
Calcite (Yellow/Orange variety - sometimes called Honey Calcite)
Calcite
Milky Quartz or Moonstone
Silicon Dioxide (SiO2) or Potassium Aluminum Silicate (KAlSi3O8)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Serpentine
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
Unakite
Epidotized Granite
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Granite
Granite (composed primarily of Quartz, Feldspar, and Mica)
Jasper
Jasper (Silicon Dioxide, SiO2)
Quartzite Cobble
Quartzite (primarily SiO2)
Chert (Green variety)
Microcrystalline Quartz (SiO2)
Quartz (Clear / Rock Crystal)
Silicon Dioxide (SiO2)
Mica Schist with Quartz
Muscovite/Biotite Schist
Tiger's Eye (Blue/Black variety, also known as Hawk's Eye)
Silicified Crocidolite (Silicon Dioxide with inclusions, SiO2)
Yellow Sapphire
Corundum (Al2O3)
Gravel Pebble (Likely Quartzite or Basalt)
Quartzite (or Macrocrystalline Quartz)
Quartzite
Quartzite (SiO2)
Quartzite
Quartzite (SiO2)
Quartzite (Meta-sedimentary)
Quartzite (SiO2)
Unakite
Epidotized Granite
Gold Ore in Quartz
Native Gold (Au) in Quartz (SiO2)
Quartz
Silicon dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Amazonite
KAlSi3O8 (Potassium Feldspar, variety of Microcline)
Quartzite
Metamorphosed Quartz Sandstone (SiO2)
Quartzite Pebble
Quartzite (mostly SiO2)
Quartz (Milky/Iron-stained)
Silicon Dioxide (SiO2)
Quartzite River Pebble
Quartzite (SiO2)
Chert (Flint)
Microcrystalline Quartz (SiO2)
Boxwork Quartz / Septarian Jasper
Boxwork (SiO2 with iron oxide inclusions)
Clear Quartz Crystal
Quartz (Silicon Dioxide, SiO2)
Chert / Flint
Cryptocrystalline quartz (SiO2)
Iron-stained Quartzite
Metamorphic Quartz (SiO2) with limonite/hematite staining
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
Gneiss
Metamorphic Gneiss
Jasper (specifically Polychrome or Desert Jasper)
Silicon Dioxide (SiO2) with iron oxide and other mineral impurities
Gneiss
Gneiss (Foliated Metamorphic Rock)
Epidosite (Unakite-related)
Epidosite (composed primarily of Epidote and Quartz)
Quartzite (likely Iron-stained)
SiO2 (Metamorphosed Sandstone)
Green Aventurine (Green Quartzite)
Silicon Dioxide (SiO2) with inclusions of Fuchsite (K(Al,Cr)2(AlSi3O10)(OH)2)
Blue Quartzite (Dyed)
Silicon Dioxide (SiO2) with inclusions
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2 with iron oxide)