Charoite
K(Ca,Na)2Si4O10(OH,F)wH2O
mineral
Category
Man Made Object (Metalwork)
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Sodalite
Na8(Al6Si6O24)Cl2 (Sodium Aluminum Silicate Chloride)
mineral
Rose Quartz
Silicon Dioxide (SiO2)
mineral
Rose Quartz
Silicon Dioxide (SiO2) with traces of titanium, iron, or manganese
mineral
Rose Quartz
Quartz (Silicon Dioxide, SiO2) with traces of Titanium, Manganese, or Iron
mineral
Green Aventurine
Aventurine Quartz (SiO2 with Fuchsite inclusions)
mineral
Jasper
Jasper (SiO2)
sedimentary
Amber
Succinite (fossilized resin)
Organic Mineraloid
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
mineral
Bloodstone
Chalcedony (cryptocrystalline quartz)
Mineral/Semiprecious Stone
Turquoise
CuAl6(PO4)4(OH)8·4H2O
mineral
Nephrite Jade
Nephrite (Ca2(Mg, Fe)5Si8O22(OH)2)
metamorphic
Moqui Marble (Iron-Oxide Concretion)
Iron Oxide Concretion (Fe2O3)
sedimentary
Amethyst
Amethyst (Silicon Dioxide, SiO2)
mineral
Carnelian
Carnelian (a variety of Chalcedony, SiO ₂)
Mineral (specifically a variety of Chalcedony, which is a cryptocrystalline quartz)
Aventurine (likely Green Aventurine)
Silicon Dioxide (SiO2) with mineral inclusions
Mineral/Mineraloid within a rock matrix
Malachite
Copper carbonate hydroxide (Cu2CO3(OH)2)
mineral
Banded Calcite (often sold as 'Mexican Onyx')
Calcium Carbonate (CaCO3)
sedimentary
Carnelian
Carnelian (a variety of Chalcedony, SiO₂)
Mineral
Amazonite
Potassium Feldspar (Microcline), K(AlSi3O8)
mineral
Banded Calcite (often commercially called Mexican Onyx)
Calcite (Calcium Carbonate, CaCO3)
mineral
![Turquoise (Hydrated phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O]) — mineral](https://media.rockidentification.com/92ebc6b5-08ac-4229-a727-57a096ec7f2c-thumbnail.jpg)
Turquoise
Hydrated phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O]
mineral
Tiger's Eye
Silicon dioxide with crocidolite fibers (SiO2 with chrysotile amphibole inclusions)
Mineral
Greenstone (or River-tumbled Basalt / Greywacke with Epidote)
Metabasalt / Greenschist facies rock
metamorphic
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Calcite
Calcium Carbonate (CaCO3)
mineral
Calcite
Calcium Carbonate (CaCO3)
mineral
Dalmatian jasper (likely orbicular microgranite)
Quartz–feldspar–biotite/pyroxene microgranite; commonly marketed as Dalmatian jasper
igneous
Polished black stone, likely obsidian
Volcanic glass; predominantly silica-rich rhyolitic glass (SiO₂), identification uncertain from the image
igneous
Polished zebra jasper
Jasper, microcrystalline quartz (SiO₂), with iron-oxide and manganese-rich banding
metamorphic
Polished tiger iron
Tiger iron; interlayered hematite, jasper, and crocidolite-quartz (often riebeckite)
metamorphic
Milky quartz with iron-oxide staining
Quartz (silicon dioxide, SiO₂), commonly intergrown massive quartz
mineral
Blue chalcedony (likely common blue agate)
Microcrystalline quartz, SiO₂; chalcedony variety
mineral
Green Aventurine
Quartz (SiO2) with fuchsite inclusions
mineral
Green Onyx (Carved Mushroom)
Calcite / Banded Calcite (often commercially sold as 'Mexican Onyx')
sedimentary
Agate Nodule (Chalcedony)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
mineral
Polished orbicular jasper (likely ocean jasper)
Silicified microcrystalline quartz/chalcedony (SiO₂), with iron-oxide and other mineral inclusions
gemstone
Polished red gemstone pendant, likely red jasper or brecciated jasper
Jasper: microcrystalline quartz (SiO₂), commonly with hematite or iron-oxide inclusions
metamorphic
Tumbled Dalmatian jasper
Quartz-rich alkali rhyolite, commonly marketed as Dalmatian jasper; chiefly quartz, feldspar, and dark amphibole/biotite inclusions
igneous
Agate
Silicon Dioxide (Chalcedony), SiO2
sedimentary
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary