Granitic Pegmatite with Schorl Tourmaline
Granitic Pegmatite (Schorl: NaFe3Al6(BO3)3Si6O18(OH)4)
igneous
Category
Mineral Health
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Specular Hematite
Hematite (Fe2O3)
mineral
Pyrite on Quartz matrix
Iron Disulfide (FeS2) on Silicon Dioxide (SiO2)
mineral
Green Fluorite
Fluorite (Calcium Fluoride, CaF2)
mineral
Quartz (Druzy)
Silicon Dioxide (SiO2)
mineral
Ruby (Raw Corundum)
Corundum (Al2O3) with Chromium traces
mineral
Diorite
Diorite (Phaneritic intermediate plutonic rock)
igneous
Gneiss
Gneiss (Metamorphic Rock)
metamorphic
Diorite
Diorite (Intermediate intrusive igneous rock)
igneous
Gneiss
Gneiss
metamorphic
Granite
Granite (Felsic Plutonic Rock)
igneous
Granodiorite
Granodiorite
igneous
Azurite Malachite (Mixed)
Azurite-Malachite; Azurite: Cu3(CO3)2(OH)2 / Malachite: Cu2CO3(OH)2
mineral
Granite
Granite (phaneritic felsic intrusive rock)
igneous
Amygdaloidal Basalt
Amygdaloidal Basalt (Mafic Volcanic Rock)
Igneous
Vanadinite
Lead Chlorovanadate, Pb5(VO4)3Cl
mineral
Jade (likely Jadeite)
Jadeite (a pyroxene mineral) or Nephrite (a variety of amphibole mineral)
Mineral
Schist
Schist
metamorphic
Pyrite in Matrix (Gold-colored Chalcopyrite or Pyrite)
Iron Sulfide (FeS2) / Copper Iron Sulfide (CuFeS2)
mineral
Limonite (Ironstone Concretion)
Hydrous ferric oxides (FeO(OH)·nH2O)
mineral
Limonite
Limonite (Hydrous iron oxides, predominantly Goethite FeO(OH)·nH2O)
mineral
Limonite (Iron Ore)
Limonite (FeO(OH)·nH2O)
mineral
Limonite Sandstone
Ferruginous Sandstone (Hydrated Iron Oxide)
sedimentary
Proustite
Proustite (Ag3AsS3)
mineral
Granite
Intrusive Felsic Igneous Rock
igneous
Banded Gneiss
Gneiss
metamorphic
Fluorite
Calcium Fluoride (CaF2)
mineral
Not a rock, mineral, or geological specimen
N/A
Epidote
Epidote (Ca2(Al2,Fe3+)AlSi3O12(OH))
mineral
Mica Group Minerals
There isn't a single scientific name as 'Mica' refers to a group of phyllosilicate minerals. Common scientific names include Muscovite (KAl₂ (AlSi₃O₁₀)(OH)₂), Biotite (K(Mg,Fe)₃AlSi₃O₁₀(OH)₂), Phlogopite (KMg₃AlSi₃O₁₀(OH)₂), and Lepidolite (K(Li,Al)₃(Al,Si,Rb)₄O₁₀(F,OH)₂).
Mineral
Chalcedony (Botryoidal)
Silicon Dioxide (SiO2)
mineral
Lapis Lazuli
Na6Ca2(Al6Si6O24)(S,SO4,Cl)1-2 (primarily containing Lazurite with inclusions of Calcite and Pyrite)
metamorphic
Gneiss (specifically Granite Gneiss)
Gneiss (High-grade Regional Metamorphic Rock)
metamorphic
Limonite (Iron Ore)
Limonite (FeO(OH)·nH2O)
mineral
Banded Gneiss
Gneiss (pronounced 'nice')
metamorphic
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Amygdaloidal Basalt with Epidote/Chlorite
Basalt (containing (Ca2(Al2Fe3+)(SiO4)(Si2O7)O(OH)))
igneous
Sandstone
Arenite (clastic sedimentary rock)
sedimentary
Gneiss
Gneiss
metamorphic
Limonite (Iron Ore)
Hydrated Iron(III) Oxide-Hydroxide (FeO(OH)·nH2O)
sedimentary
Sandstone with Ironstone Concretion
Arenite with Ferruginous Cement
sedimentary
Epidote
{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
mineral