Orange Calcite (Polished Sphere)
Calcium Carbonate (CaCO3)
Category
Browse mineral (specifically, a variety of the mineral species pyrope almandine garnet) specimens identified by the Rock Identifier community.
Orange Calcite (Polished Sphere)
Calcium Carbonate (CaCO3)
Limonite (Iron Stone)
Limonite (Hydrated Iron Oxide) - FeO(OH)·nH2O
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
Quartz Pebble (Chert/Chalcedony variety)
Silicon Dioxide (SiO2)
Sandstone
Clastic sedimentary rock (primarily Quartz and Feldspar)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Olivine (Peridot)
Magnesium Iron Silicate (Mg,Fe)2SiO4
Milky Quartz (Water-Worn Pebble)
Quartz (Silicon Dioxide, SiO2)
Ruby in Zoisite (Anyolite)
Corundum var. Ruby in Zoisite (Al2O3 + (Ca2Al3(SiO4)3(OH)))
Epidote in Basalt
Epidotized Basalt (Ca2(Al2,Fe)(SiO4)(Si2O7)O(OH) in Mafic Igneous Host)
Marble
Metamorphosed Limestone (calcite formulation CaCO3)
Red Jade (Dyed Quartzite)
Silicon Dioxide (SiO2) - variety Quartzite
Rose Quartz
Quartz (Silicon Dioxide - SiO2)
Marble
Recrystallized Calcite (CaCO3) Rock
Quartz (Smoky or Clear variety with inclusions)
Silicon Dioxide (SiO2)
Yellow Quartz (Citrine/Lemon Quartz)
Silicon Dioxide (SiO2)
Chert (Iron-stained)
Chert (SiO2)
Sandstone (Ferruginous)
Arenite with Iron Oxide cement (SiO2 + Fe2O3)
Jasper (specifically Red Jasper/Chert)
Silicon Dioxide (SiO2) with iron oxide inclusions
Chert (specifically Yellow/Tan Chert)
Silicon Dioxide (SiO2)
Barite
Barium Sulfate (BaSO4)
Banded Onyx (Cave Calcite)
Calcite (CaCO3), often called Mexican Onyx or Travertine
Calcite
Calcite (Mineral; CaCO₃)
Blue Lace Agate
Banded Chalcedony (SiO2)
Milky Quartz Pebble
Silicon Dioxide (SiO2)
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Jasper
Silicon Dioxide (SiO2) with impurities (mostly Iron Oxides)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz (Tumbled/Water-worn)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Banded Agate (Yellow Agate)
Silicon Dioxide (SiO2)
Quartz Pebble (Milky Quartz)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Cloudy Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Milk Quartz (or Milky Quartz)
Silicon Dioxide (SiO2)
Milky Quartz (polished heart)
Quartz (Silicon Dioxide, SiO2)
Lavender Quartz (appearing as beads) and Druzy Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Red Jasper
Jasper (Silicon Dioxide) - SiO2