Mixed (Sedimentary, Igneous, And Metamorphic)

Biotite Schist (likely)

Biotite Schist (rock), Biotite (mineral)

Quartz (various varieties)

SiO₂ (Silicon Dioxide)

Gneiss

Gneiss (Metamorphic rock of variable composition, typically SiO2 rich)

Epidote with Quartz/Feldspar

Epidote (Ca2(Al, Fe)3(SiO4)3(OH)) with associated minerals in a host rock

Quartz

Quartz (SiO2, Silicon Dioxide)

Quartz (likely Milky Quartz)

Quartz (SiO₂ - Silicon Dioxide)

Hypersthene

Hypersthene (Magnesium Iron Silicate - (Mg,Fe)SiO3)

Sodalite

Na8(Al6Si6O24)Cl2

Rose Quartz

Silicon Dioxide (SiO2) with traces of Titanium, Iron, or Manganese

Corundum (Sapphire/Ruby in Matrix)

Aluminium oxide (Al2O3)

Quartzite

Quartzite (primarily SiO₂)

Pyrite (Fool's Gold)

Iron Disulfide (FeS2)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

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).

Labradorite (tumbled)

Labradorite (a plagioclase feldspar mineral between anorthite and albite; chemical formula: (Ca,Na)(Si,Al)4O8)

Apatite

Apatite group mineral (e.g., Fluorapatite - Ca5(PO4)3F, Chlorapatite - Ca5(PO4)3Cl, Hydroxylapatite - Ca5(PO4)3(OH))

Garnet

Garnet Group (Silicate Minerals), formula varies e.g., Alm: Fe3Al2(SiO4)3

Black Tourmaline

Schorl (Na(Fe²⁺)₃Al₆(OH)₄(BO₃)₃Si₆O₁₈)

Gneiss

Gneiss (High-grade regional metamorphic rock)

Almandine Garnet

Fe3Al2(SiO4)3

Ruby (varieties of Corundum)

Aluminum oxide (Al2O3) with Chromium traces

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz with Iron Staining

Quartz (Silicon Dioxide, SiO2)

Milky Quartz

Crystalline Silicon Dioxide (SiO2)

Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

River Pebbles (Stream-rounded rocks)

Fluvial Detritus (varied mineralogy)

Quartz (Milky Quartz)

Quartz (SiO2 - Silicon Dioxide)

White Quartz

Quartz (SiO2)

Brick

Fired clay or Ceramic material (no specific mineralogical scientific name as it's a composite)

Biotite Schist

Biotite Schist (predominantly K(Mg,Fe)3AlSi3O10(OH,F)2)

Greenschist

Chlorite-actinolite schist

Quartz (Pebble)

Quartz (SiO₂)

Orange Quartz with Hematite inclusions

Quartz (SiO2) with Hematite (Fe2O3) inclusions

Epidote

Epidote - Ca2(Al2,Fe3+)3(SiO4)3(OH)

Emerald in Matrix (Quartz/Schist)

Beryl (Be₃Al₂Si₆O₁₈) with Chromium/Vanadium impurities

White Quartz

Silicon Dioxide (SiO2)

Pyrite

Pyrite (FeS2)

Beaded Jewelry (Assorted Gemstones)

Various minerals, including but not limited to Quartz (SiO2), Garnet (X3Y2(SiO4)3), Jade (Na(Al,Fe)Si2O6), Amethyst (SiO2),等の多様な組み合わせ

Calcite

Calcite (CaCO3)

Banded Metamorphic Rock (likely Quartzite or Serpentinite/Soapstone)

Metamorphic Rock (possibly a banded Quartzite or a foliated Serpentinite/Talc Schist based on appearance, general term for such a rock is 'Banded Metamorphic Rock' or 'Gneiss' if pronounced banding of different minerals)

Quartz on Chlorite Schist

Chlorite Schist (Mg,Fe)3(Si,Al)4O10(OH)2 with Quartz (SiO2)

Emerald

Beryl (Be3Al2Si6O18 with Chromium/Vanadium impurities)