Rhodonite
Rhodonite (Mn, Fe, Mg, Ca)SiO3
mineral
Category
Mineral, Specifically An Iron Ore
Browse mineral, specifically an iron ore specimens identified by the Rock Identifier community.
Turquoise (likely stabilized or Howlite/Magnesite imitation)
Hydrated phosphate of copper and aluminium, CuAl6(PO4)4(OH)8·4H2O
mineral
Green Fluorite
Fluorite (Calcium Fluoride) - CaF2
mineral
Chert (White Chert / Flint)
Microcrystalline or Cryptocrystalline Silicon Dioxide (SiO2)
sedimentary
Green Porphyry (Flowerstone)
Porphyritic Andesite or Basalt
igneous
Quartzite (Milky Quartz Cobble)
Silicon Dioxide (SiO2)
Metamorphic
Rose Quartz
SiO2 (Silicon Dioxide)
mineral
Amber
Succinite (specifically for Baltic amber); Approximate formula: C10H16O
Organic Gemstone (Mineraloid)
Chert (specifically Flint)
Chert (Microcrystalline or Cryptocrystalline Quartz, SiO2)
sedimentary
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
mineral
Fluorite (Rainbow Fluorite)
Calcium Fluoride (CaF2)
mineral
Dragon Stone
Argillaceous Sedimentary Rock (Ohko Stone)
sedimentary
Lepidolite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2 (Lithium-bearing Phyllosilicate)
mineral
Fluorite
Fluorite (CaF₂)
mineral
Fluorite
Fluorite (Calcium Fluoride - CaF2)
mineral
Jasper (specifically Bloodstone/Heliotrope or Dark Green Jasper)
Cryptocrystalline Quartz (SiO2) with inclusions
sedimentary
Puddingstone (specifically Michigan/Gowganda Puddingstone)
Conglomerate (Jasper Conglomerate)
sedimentary
Banded Agate (specifically Carnelian Agate color)
Silicon Dioxide (SiO2) - variety of Chalcedony
mineral
Blue Goldstone
Aventurine Glass (SiO2 with Co and metallic inclusions)
mineral (synthetic glass)
Emerald in Matrix
Beryl (Be3Al2Si6O18) containing Chromium/Vanadium impurities
mineral
Vanadinite
Vanadinite (Pb5(VO4)3Cl)
mineral
Pink Granite
Phaneritic Felsic Igneous Plutonic Rock
igneous
Pink Granite
Phaneritic Felsic Igneous Rock (Granite)
igneous
Pink Granite
Granite (Felsic Plutonic Rock)
igneous
Milky Quartz Pebble
Quartz (Silicon Dioxide - SiO2)
mineral
Larvikite
Monzonite (intermediate intrusive igneous rock containing plagioclase, alkali feldspar, augite, and biotite)
igneous
Spinosaurus Tooth Fossil
Spinosaurus aegyptiacus (Calcium Phosphate/Apatite)
sedimentary
Greenstone (Epidosite or Altered Basalt)
Epidosite (Ca2(Al, Fe)3(SiO4)3(OH))
metamorphic
Fluorite
Calcium Fluoride (CaF2)
mineral
Granitic Pegmatite with Schorl
Granitic Pegmatite (NaAlSi3O8, KAlSi3O8, SiO2) with Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)
igneous
Cupronickel (on a 1981 Mexico 20 Pesos coin)
Copper-Nickel Alloy (Cu75Ni25)
mineral
Apache Tears (Obsidian)
Volcanic Glass (SiO2 - Silicon Dioxide with impurities)
igneous
Chrysocolla on Quartz/Rhyolite matrix
Hydrated copper phyllosilicate mineral: (Cu,Al)2H2Si2O5(OH)4·nH2O
mineral
Arsenopyrite
Arsenopyrite (FeAsS)
mineral
Gold and Silver (Metal Components of an Antique Pocket Watch)
Native Gold (Au) and Native Silver (Ag)
mineral
Granite (Pink/Red)
Phaneritic Igneous Rock (Rich in K-Feldspar)
igneous
Pink Granite
Phaneritic Felsic Igneous Rock (composed primarily of K-Feldspar, Quartz, and Plagioclase)
igneous
Porphyritic Andesite
Andesite (Porphyry)
igneous
Diabase
Diabase (also known as Dolerite)
igneous
Snowflake Obsidian
Volcanic glass (SiO2 - Silicon Dioxide with Cristobalite inclusions)
igneous
Bismuth Crystal
Bismuth (Bi)
mineral
Silver (Sterling Silver)
Argentum (Ag) mixed with Copper (Cu); Formula: Ag+Cu
mineral