Granite

Quartz

Quartz (SiO₂)

Quartz (likely Rose Quartz or Milky Quartz based on color)

Quartz (SiO2 - Silicon Dioxide)

Quartz

Silicon dioxide (SiO2)

Citrine

Quartz (SiO2) - specifically, a variety of macrocrystalline quartz

Schist

Schist (various mineralogical compositions including mica, chlorite, talc, etc.)

Biotite Mica

K(Mg,Fe2+)3(Al,Fe3+)Si3O10(OH,F)2

Garnet Beads

Garnet Group (complex nesosilicates, e.g., Almandine Fe3Al2(SiO4)3)

Muscovite Mica

Muscovite (Potassium Mica) KAl2(AlSi3O10)(OH)2

Lepidolite Bracelet

Lepidolite (K(Li,Al)3(Si,Al)4O10(F,OH)2) often in Quartz matrix

Aquamarine

Beryl (Be3Al2Si6O18), specifically the blue-green variety

Labradorite

Labradorite (a variety of Plagioclase Feldspar), Na(AlSi3O8) to Ca(Al2Si2O8)

K2 Jasper (Beads)

Granodiorite with Azurite and Malachite

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).

Quartz

Silicon Dioxide (SiO2)

Quartz

Quartz (Silicon Dioxide, SiO2)

Amethyst

Amethyst (SiO₂)

Pet Rock (Man-made Quartzite or Granite Cobble)

Silicon dioxide (SiO2) mixture; commonly composed of Quartz, Feldspar, and Mica

Quartz

Silicon Dioxide (SiO2)

Quartz

Silicon Dioxide (SiO2)

Muscovite Mica

Muscovite (KAl2(AlSi3O10)(OH)2)

Quartz

Silicon Dioxide (SiO₂)

Rutilated Quartz

Quartz with Rutile inclusions (SiO2 with TiO2 inclusions)

Topaz

Topaz (Al2SiO4(F,OH)2)

Quartz

Silicon Dioxide (SiO2)

Quartz (likely Yellow/Orange variety, possibly Citrine or Chalcedony with iron staining)

Quartz (SiO₂)

Aquamarine

Aquamarine (Beryl variety) - Be3Al2(Si6O18)

Amazonite

Amazonite (KAlSi3O8)

Moonstone

Orthoclase Feldspar (specifically showing adularescence)

Clear Quartz (Rock Crystal)

Quartz (SiO₂)

Rose Quartz

Rose Quartz (SiO2)

Banded Gneiss (with possible weathered sulfide or iron staining)

Gneiss, potentially with iron oxide/hydroxide staining (e.g., limonite) or weathered sulfides

Schist

Schist (various mineral compositions)

Quartz (in matrix)

Quartz (SiO₂)

Quartz

Quartz (SiO2 - Silicon Dioxide)

Aquamarine

Beryl (Be3Al2Si6O18), specifically the blue-green variety

Quartz (likely a macrocrystalline variety like milky quartz or smoky quartz, given the appearance in the image)

Quartz (SiO₂ - Silicon Dioxide)

Quartz

Silicon Dioxide (SiO2)

Banded Gneiss (Variety of Gneiss)

Gneiss (specifically, a variety exhibiting prominent banding; mineral composition can vary, but often contains quartz, feldspar, mica, and amphibole)

Kunzite

Spodumene (LiAlSi2O6), variety Kunzite

Tourmaline (likely Schorl)

Tourmaline Group Mineral (e.g., Schorl for black varieties); (Na,Ca)(Li,Mg,Fe,Mn,Al)3Al6(BO3)3Si6O18(OH)4

Amazonite

Amazonite (KAlSi3O8, a variety of Microcline)

Milky Quartz

Quartz (SiO₂)