Amber (Sumatran / Indonesian Red Blue)
Succinum (Fossilized Tree Resin)
fossil
Category
Synthetic Or Natural Fiber
Browse synthetic or natural fiber specimens identified by the Rock Identifier community.
Learn about Synthetic Or Natural Fiber in the encyclopedia
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Yellow Quartz (Citrine or Iron-stained Quartz)
Silicon Dioxide (SiO2)
mineral
Turquoise
Turquoise (Hydrated phosphate of copper and aluminium), CuAl6(PO4)4(OH)8·4H2O
mineral
Turquoise
Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
mineral
Turquoise
CuAl6(PO4)4(OH)8·4H2O (Hydrous phosphate of copper and aluminum)
mineral
Citrine
SiO2 (Silicon Dioxide)
mineral
Turquoise
Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
mineral
Yellow Quartz (Citrine or Yellow Chalcedony)
Silicon Dioxide (SiO2)
mineral
Chert (often called Flint)
Chert (Microcrystalline Quartz, SiO2)
sedimentary
Turquoise
Hydrated phosphate of copper and aluminum, CuAl6(PO4)4(OH)8·4H2O
mineral
Yellow Quartz (Citrine-colored Quartz Pebble)
Silicon Dioxide (SiO2)
mineral
Aquamarine
Beryl (Be3Al2Si6O18 with iron impurities)
mineral
Turquoise
CuAl6(PO4)4(OH)8·4H2O
mineral
Amethyst
Amethyst (Silicon Dioxide, SiO2 with Iron impurities)
mineral
Goldstone (Brown/Gold variety)
Aventurine Glass (SiO2 with Copper inclusions)
Synthetic/Man-made glass (often mistaken for a mineral)
Quartz (Milky/Smoky variety)
Silicon Dioxide (SiO2)
mineral
Yellow Quartz (Citrine-colored Quartz)
Silicon Dioxide (SiO2)
mineral
Chert (specifically Blue Chert/Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Pearl
Aragonite / Calcium Carbonate (CaCO3)
mineraloid
Turquoise
Hydrated phosphate of copper and aluminium, CuAl6(PO4)4(OH)8·4H2O
mineral
Raw Citrine
Citrine (Silicon Dioxide - SiO2)
mineral
Turquoise in Matrix
Hydrated phosphate of copper and aluminum (CuAl6(PO4)4(OH)8·4H2O)
mineral
Star Ruby
Corundum (Al2O3 with chromium and rutile inclusions)
mineral
Banded Slate
Slate (Metamorphosed Siltstone/Mudstone)
metamorphic
Septarian Nodule (Yellow Jasper variety)
Septarian Nodule (comprising Calcite, Aragonite, and Limestone/Bentonite)
sedimentary
Yellow Quartz (Citrine or Iron-stained Quartz)
Silicon Dioxide (SiO2)
mineral
Quartzite
Metamorphosed Quartz Sandstone (SiO2)
metamorphic
Basalt (Water-worn Pebble)
Basalt (Mafic Extrusive Igneous Rock)
igneous
Sandstone
Arenite
sedimentary
Turquoise
CuAl6(PO4)4(OH)8·4H2O (Hydrated copper and aluminium phosphate)
mineral
Pearl
Calcium Carbonate (CaCO3) in the form of Aragonite
mineral
Yellow Quartz (Citrine/Yellow Chalcedony)
Silicon Dioxide (SiO2)
mineral
Turquoise in Matrix
CuAl6(PO4)4(OH)8·4H2O (Hydrous phosphate of copper and aluminium)
mineral
Limestone
Calcium Carbonate (CaCO3)
sedimentary
Quartzite Pebble
Quartzite (SiO2 with minor impurities)
metamorphic
Chrysocolla in Jasper (Chryso-Jasper)
Cu2-xAlx(H2-xSi2O5)(OH)4·n H2O (Chrysocolla) + SiO2 (Jasper)
mineral
Turquoise
Hydrated phosphate of copper and aluminum, CuAl6(PO4)4(OH)8·4H2O
mineral
Turquoise in Matrix
Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
mineral
Quartzite with Iron Inclusions
Quartzite (pre d om i n a n t l y SiO2) with H e m a t i t e / G o e t h i t e
metamorphic
Pearl (Cultured or Natural)
Aragonite (CaCO3) with Conchiolin
Organic Mineraloid
Turquoise (likely stabilized or Howlite/Magnesite imitation)
Hydrated phosphate of copper and aluminium, CuAl6(PO4)4(OH)8·4H2O
mineral
Smoky Quartz (Faceted Beads)
Silicon Dioxide (SiO2)
mineral