Sedimentary And Metamorphic

Quartz

Silicon dioxide (SiO2)

Graphite

Graphite (Carbon, C)

Quartz Vein in Schist / Gneiss Metamorphic Matrix

Silicon Dioxide (SiO2) in metamorphic schist host rock

sedimentary (geologically classified as a variety of chalcedony/quartz)

Ocean Jasper (Orbicular Jasper)

Silicon Dioxide (SiO2) with various inclusions

Quartz (likely a weathered/tumbled piece)

Quartz (SiO₂)

Quartz

SiO₂ (Silicon Dioxide)

Slate

Slate (a fine-grained, foliated metamorphic rock). Mineral composition: Primarily composed of mica minerals (muscovite, chlorite, sericite) and quartz, with minor amounts of hematite, pyrite, and other accessory minerals.

sedimentary

Quartzite Pebble

Quartzite (SiO2)

Green Aventurine

Silicon Dioxide (SiO2) with inclusions of Fuchsite mica

Rhodonite in Matrix

Rhodonite (Manganese Silicate) - (Mn2+,Fe2+,Mg,Ca)SiO3

Magnetite (or Magnetic Iron Ore)

Magnetite (Fe3O4)

Blue Quartzite

Quartzite (specifically a variety enriched with blue-coloring minerals)

Metamorphic Rock

Green Aventurine

SiO2

Quartz with Epidote

Silicon dioxide (SiO2) with Calcium aluminum iron silicate (Ca2Al2(Fe3+;Al)(SiO4)(Si2O7)O(OH))

Jasper and Quartzite Pebble

Silicon Dioxide (SiO2) - Microcrystalline Quartz

sedimentary/metamorphic

Quartz

Quartz (SiO₂)

Almandine Garnet

Fe3Al2(SiO4)3

Rhodonite

Inosilicate, (Mn,Fe,Mg,Ca)SiO3

Quartzite

Metamorphic Quartz (SiO2)

Greenschist

Greenschist (Chlorite-actinolite schist)

Corundum (Sapphire/Ruby in Matrix)

Aluminium oxide (Al2O3)

Rhodonite

Manganese Inosilicate (MnSiO3), often with Ca, Fe, Mg, Zn

Clear Quartz (Rock Crystal)

Quartz (SiO₂)

Marble

Marble (primarily Calcite, CaCO3 or Dolomite, CaMg(CO3)2)

Metamorphic Rock

Quartz (likely a clear or rock crystal variety)

Quartz (SiO2 - Silicon Dioxide)

Jadeite and Assorted Corundum (Ruby/Sapphire) / Beryl (Emerald)

Jadeite (NaAlSi2O6), Ruby/Sapphire (Al2O3), Emerald (Be3Al2(SiO3)6)

Greenschist

Chlorite schist

Schist

Metamorphic

Almandine Garnet

Almandine (Fe3Al2Si3O12)

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).