Tree Agate (or Moss Agate), faceted into a crystal tower
Dendritic Agate (Silicon Dioxide, SiO2)
Category
Browse mineral (specifically, a variety of the mineral species pyrope almandine garnet) specimens identified by the Rock Identifier community.
Tree Agate (or Moss Agate), faceted into a crystal tower
Dendritic Agate (Silicon Dioxide, SiO2)
Schist
Mica Schist (primarily consisting of muscovite KAl2(AlSi3O10)(OH)2 or biotite K(Mg,Fe)3(AlSi3O10)(OH)2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Milky or Cloudy Quartz)
Silicon Dioxide (SiO2)
Orange Quartz
Silicon Dioxide (SiO2) with iron oxide inclusions
Rose Quartz
Silicon Dioxide (SiO2) with trace elements of Titanium, Iron, or Manganese
Schist
Mica Schist
Grass (Organic Matter/Soil)
Poaceae (family of monocotyledonous flowering plants)
Peach Aventurine
Quartz variety (SiO2 + Hematite/Goethite inclusions)
Pink Granite
Granite (Phaneritic igneous rock rich in Alkali Feldspar and Quartz)
Orange Quartzite / Carnelian Agate
Silicon Dioxide (SiO2)
Amethyst (Chevron Amethyst)
Amethystine Quartz (SiO2)
Amber
Succinite (Fossilized Tree Resin)
Schist
Mica Schist
Jadeite (Jade)
Jadeite (NaAlSi2O6)
Moonstone
Orthoclase feldspar (KAlSi3O8)
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Chert (often called Flint)
Chert (Microcrystalline or Cryptocrystalline Quartz, SiO2)
Blue Calcite
Calcite (Calcium Carbonate, CaCO3)
Chert (Tripolitic Chert / Flint Nodules)
Microcrystalline Quartz (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Schist
Mica Schist
Seraphinite
Clinochlore (a variety of the chlorite group)
Chert (Iron-stained)
Chert (Microcrystalline Quartz, SiO2)
Schist (Diamond Drill Core)
Mica Schist
Yellow Calcite
Calcium Carbonate (CaCO3)
Carnelian
Carnelian (Silicon Dioxide, SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Peach Moonstone
Orthoclase Feldspar (KAlSi3O8)
Rose Quartz
Silicon dioxide with traces of titanium, iron, or manganese (SiO2)
Banded Gneiss
Gneiss (Metamorphic Rock)
Honey Calcite
Calcium Carbonate (CaCO3)
Nephrite Jade
Nephrite
Dalmation Stone (often called Dalmatian Jasper)
Antiperthite-rich Microgranite
Basalt with Epidote Veining
Basalt (Mafic Extrusive Rock) with Ca2(Al,Fe)3(SiO4)3(OH)
Mixed Gemstone Beaded Jewelry
Various minerals (e.g., Quartz varieties like Rose Quartz, Amethyst; Peridot; Garnet; etc.)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Limonite (often after Hematite or Goethite)
Limonite (FeO(OH)·nH2O)
Blue Quartzite
Quartzite (specifically a variety enriched with blue-coloring minerals)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of Titanium, Iron, or Manganese
Milky Quartz in Matrix
Silicon Dioxide (SiO2)
Apricot Agate
Silicon Dioxide (SiO2) - Chalcedony variety