Chalcanthite (Likely Synthetic/Lab-Grown)
Hydrated copper(II) sulfate (CuSO4·5H2O)
mineral
Category
Not A Rock (Man Made Polymer)
Browse not a rock (man made polymer) specimens identified by the Rock Identifier community.
Amber
Amber (C10H16O)
mineral
Amber
Succinite (fossilized resin)
mineral
Green Aura Quartz
Silicon Dioxide (SiO2) bonded with metallic vapors (typically Gold, Chromium, or Titanium)
mineral
Unknown Organic Object (likely a berry or fruit)
Not applicable; this is not a geological specimen. If it were a cranberry, its scientific name would be Vaccinium macrocarpon; if a cherry, it would be Prunus avium or Prunus cerasus.
Organic Material (likely a fruit or berry)
Baltic Amber (Butterscotch or Egg Yolk Variety)
Succinite (C10H16O)
Organic Gemstone (fossilized resin)
United States Quarter Dollar
Cupronickel Clad Alloy (75% Copper, 25% Nickel over a 100% Copper core)
Metal / Man-made mineral-like object
Corundum (Sapphire/Ruby in Matrix)
Corundum (Al2O3)
mineral
Diamond
Diamond (pure native carbon, C)
mineral
Mother of Pearl (Nacre)
Aragonite (layered with organic polymers), CaCO3
mineral
Rough Diamond
Native Carbon (C)
mineral
Diamond (in a cluster setting)
Crystallized Carbon (C)
mineral
Diamond Plate (Steel)
Alloyed Carbon Steel or Aluminum with 'Durbar' pattern
not a rock (Man-made industrial metal)
Amber
Succinite (fossilized resin)
mineral
Amber (with potentially inclusions)
Succinite (Fossilized Tree Resin)
Mineraloid
Amber
Succinite (specifically for Baltic amber); Fossilized Tree Resin (C10H16O)
Organic Mineraloid
Amber
Succinite (Fossilized Resin C10H16O)
Organic Mineraloid
Goldstone
Avventurina (Cu + SiO2 glass)
mineral
Amber with inclusion
Amber (Fossilized Tree Resin)
mineral
Amber
Succinates (Organic Fossilized Resin)
mineral
Amber
Succinite (specific to Baltic amber), fossilized tree resin
mineraloid
Amber
Succinite (specifically for Baltic Amber), Formula: C10H16O
Organic Gemstone (often associated with Sedimentary sequences)
Serpentine
Serpentinite (a rock composed primarily of serpentine minerals like antigorite, chrysotile, and lizardite; general formula (Mg, Fe)3Si2O5(OH)4)
metamorphic
River Rock
Sedimentary Rock (various compositions)
sedimentary
Granite
Granite (a phaneritic intrusive igneous rock consisting mainly of quartz, alkali feldspar, and plagioclase)
igneous
Quartz (Pebble)
Quartz (SiO₂)
Mineral
Diamond (as featured in jewelry)
Diamond (C - pure carbon)
mineral
Goldstone
Not a natural mineral or rock. It is an ornamental glass.
Manufactured Glass (Simulant)
Amber with Inclusion
Succiniferous fossil resin (C10H16O)
mineraloid
Amber
Succinite (approximate formula C10H16O)
mineraloid
Amber
Succinicum (C10H16O)
mineral
Amber
Succinite (fossilized resin); C10H16O
mineraloid
Red Amber (Burmite/Cherry Amber)
Succinite / Retinite (Organic Fossilized Resin, C10H16O)
Mineraloid (Organic)
Amber
Succinite (with empirical formula approximately C10H16O)
Organic Mineraloid
Granite
Phaneritic Igneous Rock (composed mostly of Quartz, Alkali Feldspar, and Plagioclase)
igneous
Amber
Succinite (Fossilized Tree Resin) - C10H16O
mineral
Mother of Pearl (Nacre)
Nacre (Aragonite/Conchiolin), CaCO3 + Organic Polymers
mineral
Amethyst
SiO2 (Silicon Dioxide)
Mineral
Chert (specifically Flint Arrowhead)
Silicon dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Diamond (Cut jewelry specimen)
Diamond (pure Carbon, C)
mineral
Ruby in Matrix
Corundum (Al2O3)
mineral
Amber
Succinite (formula varies, primarily C10H16O)
Mineraloid (Organic)