Blue Calcite
Calcium Carbonate (CaCO3)
Category
Browse carved stone specimens identified by the Rock Identifier community.
Blue Calcite
Calcium Carbonate (CaCO3)
Fluorite (Rainbow Fluorite)
Calcium Fluoride (CaF2)
Amethyst (Polished/Carved Crystal)
Silicon Dioxide (SiO2) with trace Iron (Fe)
Brown Jasper (Likely)
Jasper (Cryptocrystalline Silicon Dioxide - SiO2)
Chevron Amethyst
Quartz (SiO2) with patterned Amethyst and White Quartz/Milky Quartz
Carnelian
Chalcedony (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Jasper
Silicon Dioxide (Microcrystalline Quartz, SiO2)
Peach Quartz
Silicon Dioxide (SiO2)
White Jade
Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2) or Jadeite (NaAlSi2O6)
Jasper
Microcrystalline Quartz (SiO2) with iron oxide impurities
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Fluorite
Calcium Fluoride (CaF2)
Rose Quartz with Feldspar Inclusions
Silicon Dioxide (SiO2)
Anthracite Coal
Anthracite (Carbon)
Carnelian Agate
Silicon Dioxide (SiO2) - variety of Chalcedony
Carnelian
Carnelian (Chalcedony / SiO2)
Serpentine
Serpentinite (group of hydrous magnesium iron phyllosilicate minerals, e.g., Lizardite, Antigorite)
Yellow Agate
Chalcedony (cryptocrystalline Quartz), SiO2
Anthracite Coal
Anthracite (Carbon-rich metamorphic coal)
Bumblebee Jasper
Calcite-bearing Volcanic Tuff containing Sulfur and Arsenic (Orpiment/Realgar)
Chalcedony (Agate/Chert variety)
Silicon Dioxide (SiO₂)
Sodalite
Sodalite - Na8(Al6Si6O24)Cl2
Black Obsidian
Volcanic Glass (SiO2)
Tiger's Eye
Silicified Crocidolite (Silicon Dioxide - SiO2)
Serpentine
Serpentine-group (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Red Coral
Corallium rubrum
Labradorite
(Ca, Na)(Al, Si)4O8
Obsidian
Volcanic glass (silica-rich rhyolitic melt; primarily SiO₂)
Tiger Iron
Banded Iron Formation (BIF)
Milky Quartz
Silicon Dioxide (SiO2)
Blue Chalcedony
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Anthracite Coal
Anthracite (Carbon-based sedimentary-derived metamorphic rock)
Limestone
Sedimentary Calcium Carbonate (CaCO3)
Milky quartz with iron staining
Quartz, silicon dioxide (SiO₂)
Rose Quartz
Silicon Dioxide (SiO2) with trace elements of Titanium, Iron, or Manganese
Yellow Aventurine (specifically a carved crescent moon)
Silicon Dioxide (SiO2) with inclusions
Quartz heart (likely milky/included quartz)
Quartz, silicon dioxide (SiO₂)
Pink Quartz
Silicon Dioxide (SiO2)
Himalayan Pink Salt
Halite (NaCl) with trace impurities of iron oxide
Amazonite
Microcline (K(AlSi3O8))