Sedimentary Or Igneous Associated Mineral

Biotite Schist

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

Dalmatian Stone (Dalmatian Jasper)

Dalmatian Stone (A variety of Perthite / Aplite)

Igneous

Obsidian (likely Golden Sheen Obsidian or Rainbow Obsidian, given the subtle sheen visible on some beads)

Obsidian (volcanic glass, predominantly SiO2 with various impurities)

Igneous

Banded Gneiss

Gneiss (quartz-feldspar-biotite metamorphic rock)

Fuchsite

Chromium-rich Muscovite (K(Al,Cr)2(AlSi3O10)(OH)2)

Rhodonite

Rhodonite (MnSiO3)

Tourmaline (likely Schorl)

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

Malachite

Malachite (Copper Carbonate Hydroxide, Cu2CO3(OH)2)

Unakite (Epidotized Granite)

Epidotized Granite (SiO2 with Ca2(Al,Fe)3(SiO4)3(OH))

Jadeite Jade

NaAlSi2O6 (Sodium Aluminum Silicate)

Tree Agate

Dendritic Agate (Silicon Dioxide, SiO2)

White Quartz (Milky Quartz)

Quartz (Silicon Dioxide, SiO2)

Jadeite Jade

NaAlSi2O6 (Sodium Aluminum Silicate)

Amethyst

Amethyst (Silicon Dioxide, SiO2)

Rhodonite

Rhodonite (MnSiO3)

Lepidolite

K(Li,Al)3(Si,Al)4O10(F,OH)2

Mineral (specifically a variety of Chalcedony, which is a cryptocrystalline quartz)

Carnelian

Carnelian (a variety of Chalcedony, SiO ₂)

Petrified Wood

Silicified Wood (SiO2)

Quartz (possibly milky quartz)

Quartz (Silica; SiO₂)

sedimentary or metamorphic

Greenstone / Chert

Cryptocrystalline Quartz (SiO2) or Altered Basalt

Carnelian

Cryptocrystalline Quartz (SiO2 with iron oxide impurities)

Milky Quartz

Quartz (Silicon Dioxide - SiO2)

Carnelian Agate/Jasper blend

Silicon Dioxide (SiO2) - variety of Chalcedony

Almandine Garnet

Almandine (Fe3Al2(SiO4)3)

Banded Agate (specifically Moss Agate or Plume Agate variety)

Silicon Dioxide (SiO2) - Cryptocrystalline Quartz

Quartz (Milky or Rough Variety)

Silicon Dioxide (SiO2)

Mineral/Semiprecious Gemstone (variety of Quartz)

Jasper, Agate, Quartz Mix (Polished Beads)

SiO₂ (Silicon Dioxide) for Quartz. Jasper and Agate are cryptocrystalline varieties of Quartz.

Wonderstone (Banded Rhyolite)

Rhyolite (Silicon Dioxide with Iron Oxide impurities)

igneous

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).