Amber
Fossilized Tree Resin (C10H16O)
mineral
Category
Not A Rock (Man Made Polymer)
Browse not a rock (man made polymer) specimens identified by the Rock Identifier community.
Amber
Succinite (fossilized resin)
Organic Mineraloid
Biological Bone (Patella/Knee)
Patella (part of the Human Skeletal System)
Organic Structure (Not a Rock)
Obsidian
Obsidian (volcanic glass, amorphous silica rich rock)
Igneous
Fossiliferous Limestone
Limestone (composed primarily of calcite with included fossils CaCO3)
Sedimentary
Chert (specifically Yellow/Brown Chert or Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Amber
Succinite (Fossilized Resin)
mineral
Amber
Succinite (Resinite)
mineraloid
Amber
Succinite (fossilized tree resin)
mineral
Amber
Succinite (Fossilized Tree Resin), C10H16O
Organic Mineraloid
Amber
Succinurite (C10H16O)
mineraloid
Amber
Succinite
mineraloid
Obsidian
Volcanic Glass (70% or more SiO2)
igneous
Schist
N/A (a rock type, not a mineral formula)
metamorphic
Amber
Succinite (Approximate formula: C10H16O)
Mineraloid
Obsidian
Volcanic glass (SiO2 - Silicon Dioxide)
igneous
Chert
Chert (microcrystalline quartz)
sedimentary
Amber
Succinite (a fossilized organic resin containing succinic acid)
mineraloid
Amber
Succinite (fossilized resin)
mineral
Amber / Copal
Fossilized Tree Resin (Succinate)
Mineraloid
Amber
Fossilized Tree Resin (Generic formula roughly C10H16O)
mineral
Diamond
Diamond (pure Carbon, C)
mineral
Sandstone
Arenite
sedimentary
Coquina
Bioclastic Limestone
sedimentary
US Penny
Cuprum (Copper: Cu) and Zincum (Zinc: Zn) Alloy
Man-made object (metal alloy)
Asphalt Concrete
Bituminous Concrete / Asphaltic Composite
not a natural rock (man-made composite)
Limonite (Iron Ore)
Hydrous Iron Oxide (goethite, lepidocrocite)
Mineral
Quartz
Silicon dioxide (SiO₂)
Mineral
Diamond
Cubic carbon (C)
mineral
Marble
Marble (metamorphosed limestone or dolostone), primarily composed of calcite (CaCO3) or dolomite (CaMg(CO3)2)
metamorphic
Gastly (Trick or Trade Halloween Series)
Cellulose-carbonaceous composite (Lignocellulose laminated with pigmentary polymers)
Mineral (Synthetic - Paper and Ink Polymorph)
Serpentinite
Serpentinite (composed primarily of serpentine-group minerals like antigorite, chrysotile, and lizardite; chemical formula varies but generally Mg3Si2O5(OH)4)
Metamorphic Rock
Granite Cobble/Pebble
Granite
Igneous
Marble
Marble (metamorphosed limestone/dolostone). Predominantly composed of Calcite (CaCO3) for marble derived from limestone, or Dolomite (CaMg(CO3)2) for marble derived from dolostone.
Metamorphic Rock
Diabase (Greenstone)
Diabase (also known as Dolerite)
igneous
Jade (likely Nephrite or Jadeite)
Nephrite (a variety of actinolite, Ca2(Mg,Fe)5Si8O22(OH)2) or Jadeite (NaAlSi2O6)
Metamorphic rock (for Nephrite and some Jadeite); Mineral (for Jadeite)
Red Slag Glass (Cullet)
Amorphous Silicon Dioxide (SiO2) with metallic dopants
Antropogenic (Man-made material)
Faceted Glass (Costume Jewelry)
Amorphous Silicon Dioxide with colorants (Glass)
Synthetic/Man-made Material
Obsidian
Volcanic Glass (SiO2)
igneous
Amber
Succinite (Formula: C10H16O)
Mineraloid
Chert (Cherty Shale / Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Abbey Bominable (Monster High character)
Anthropomorphic Yeti / Digital Animation
not a rock (animated character)