Basalt
Extrusive mafic igneous rock
igneous
Category
Synthetic Or Natural Fiber
Browse synthetic or natural fiber specimens identified by the Rock Identifier community.
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Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
mineralological specimen
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
metamorphic
Synthetic Ruby (Jewel Bearings)
Synthetic Corundum (Al2O3 doped with Chromium)
mineral
Basalt
Basalt (extrusive volcanic rock)
igneous
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
mineral
Blue Tiger's Eye
Crocidolite in Quartz (altered)
Mineral
Tiger's Eye
Quartz (SiO2) with fibrous inclusions of Altered Crocidolite
mineral
Chert (Flint variety)
Microcrystalline or cryptocrystalline Quartz (SiO2)
sedimentary
Chert (Brown variety)
Silicon Dioxide (SiO2)
sedimentary
![Nephrite Jade (Tremolite-Actinolite solid solution series [Ca2(Mg,Fe)5Si8O22(OH)2]) — metamorphic](https://media.rock.id/55cf6a40-4458-498a-98bb-5787dac573be-thumbnail.jpg)
Nephrite Jade
Tremolite-Actinolite solid solution series [Ca2(Mg,Fe)5Si8O22(OH)2]
metamorphic
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2 with iron inclusions)
metamorphic
Rose Quartz
Silicon Dioxide (SiO2)
mineral
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
metamorphic
Rough Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2 with iron inclusions)
metamorphic
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
metamorphic
Tiger's Eye (Rough)
Pseudomorph of Quartz after Crocidolite (SiO2)
mineral
Basalt
Basalt (Aphanitic Mafic Igneous Rock)
igneous
Basalt
Basalt (Mafic volcanic rock)
igneous
Rose Quartz
SiO2 (Silicon Dioxide)
mineral
Tiger's Eye
Silicified Riebeckite Asbestos (SiO2 with Iron Oxide inclusions)
mineral
Rose Quartz
Silicon Dioxide (SiO2)
mineral
Petrified Wood (Silicified Fossil)
Silicified Wood (SiO2)
sedimentary
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2 with iron oxide inclusions)
metamorphic
Man-made Ceramic / Clay Figurine
Aluminosilicate Ceramic (Processed Clay)
Synthetic (not a rock or mineral)
Blue Sapphire
Corundum (Al2O3 with trace Titanium and Iron)
mineral
Oak Wood (Wood Grain Pattern)
Quercus (genus)
Organic (Non-rock)
Rose Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Basalt
Mafic Volcanic Rock
igneous
Satin Spar Selenite (Gypsum)
Calcium sulfate dihydrate (CaSO4·2H2O)
mineral
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
metamorphic
Blue Chalcedony
Cryptocrystalline Quartz (SiO2)
mineral
Tiger's Eye
Silicon Dioxide (SiO2) with Crocidolite inclusions
mineral
Ruby (Rough/Raw)
Corundum (Al2O3:Cr)
mineral
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
gemstone
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2 with inclusions)
mineral
Tiger's Eye (Brown/Dark variety)
Pseudomorph of Quartz after Crocidolite (SiO2 with inclusions)
metamorphic
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
metamorphic
Tiger's Eye (Brown/Gold variety)
Pseudomorph of Quartz after Crocidolite (SiO2 with FeOOH inclusions)
metamorphic
Rose Quartz
Silicon Dioxide (SiO2)
mineral
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2 with inclusions of Iron Oxide)
metamorphic