Minerals

Quartz Pebble

Quartz (Silicon Dioxide, SiO2)

Not a rock, mineral, or geological specimen

N/A

Greenstone (Amygdaloidal Basalt)

Amygdaloidal Basalt (frequently composed of Plagioclase Feldspar, Pyroxene, and Olivine with Chlorite inclusions)

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

Blue Apatite

Fluorapatite (Ca5(PO4)3F)

Gossan

Iron-rich regolith (mainly Limonite and Goethite, FeO(OH)·nH2O)

Bumblebee Jasper (technically Bumblebee Stone)

Calcite, Aragonite, and Realgar/Orpiment mixture (SiO2 + CaCO3 + As2S3/As2S2)

sedimentary (volcanic)

River Stone / Pebble

Clastic Sediment (composed largely of Quartz, Feldspar, and various rock fragments)

Mineral, Sediment

Lepidolite

K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2 (Lithium-bearing Phyllosilicate)

Granitic Gneiss

Gneiss (Complex silicate composition)

Ironstone Concretion (Limonite/Goethite)

Ironstone (primarily FeO(OH)·nH2O)

Ironstone Concretion (Moqui Marble type)

Ferruginous Concretion (Fe2O3 / FeO(OH))

Diorite

Plutonic Igneous Rock (NaAlSi3O8, CaAl2Si2O8)

Granite

Phaneritic Igneous Rock (composed primarily of Quartz, Alkali Feldspar, and Plagioclase)

Petrified Wood

Silicified wood (Quartz, SiO2)

Red Sandstone (Iron-stained)

Clastic sedimentary rock (primarily Quartz with Iron Oxides)

Gneiss

Gneiss

Gneiss (quartz-feldspar-biotite gneiss)

Botryoidal Hematite (Iron Stone Conglomerate)

Hematite (Fe2O3) in sedimentary matrix

Nephrite Jade

Nephrite

Mineral/Rock

Amygdaloidal Basalt

Amygdaloidal Basalt (Mafic Extrusive volcanic rock)

Gneiss (specifically a Granitic Gneiss specimen)

Gneiss (high-grade metamorphic rock primarily composed of Quartz, Feldspar, and Biotite/Amphibole)

Quartz with inclusions

Silicon Dioxide (SiO2)

Sand Grain (Silica/Quartz Grain)

Silicon Dioxide (SiO2)

Azurite-Malachite (often called Azerite Malachite or Azurmalachite)

Azurite (Cu3(CO3)2(OH)2) and Malachite (Cu2CO3(OH)2)

Mineral

Gneiss

Gneiss (a rock type, not a specific mineral with a formula)

Metamorphic Rock

Quartz Pebble

Silicon Dioxide (SiO2)

Gneiss

Gneiss (High-grade metamorphic rock)

Turquoise and Hematite

Turquoise (CuAl6(PO4)4(OH)8·4H2O) and Hematite (Fe2O3)

Jade (likely Jadeite or Nephrite)

Jadeite (NaAlSi2O6) or Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2)

Mineral/Mineraloid

Gneiss

Gneiss (Metamorphic high-grade)

Shale

Shale (clastic sedimentary rock)

Sedimentary

Bumblebee Jasper

Anhydrite-Aragonite mixture with Orpiment and Realgar

mineraloid

Gneiss (Metamorphic Cobble)

Gneiss

Quartz Pebble

Silicon Dioxide (SiO2)

Indigo Gabbro

Gabbro (MaFIC intrusive rock)

Feldspathic Gneiss (Granite Gneiss)

Gneiss (High-grade Regional Metamorphic Rock)

Orbicular Granite

Orbicular Granitoid

Basalt with Quartz/Zeolite Inclusions

Porphyritic Basalt (SiO2 with Aluminosilicates)

Chatoyant Quartz (Cat's Eye Quartz)

Silicon Dioxide (SiO2) with fibrous inclusions of Amphibole or Rutile