Mineral (Silicate Variety)

Charoite

Charoite, K(Ca,Na)2Si4O10(OH,F)·H2O

Quartz-Veined Gneiss or Metamorphic Rock with Quartz Veins

Quartz-veined metamorphic rock (Silicate mineral assemblage)

Arfvedsonite in Quartz (also known as Eudialyte/Garnet Syenite variety)

Arfvedsonite [Na3(Fe2+)4Fe3+Si8O22(OH)2] within a silicate matrix

Chrysocolla

Hydrated copper silicate (Cu,Al)2H2Si2O5(OH)4·nH2O

Quartz (Small Pebble)

Silicon Dioxide (SiO2)

Rhodonite

Rhodonite (Manganese Silicate), (Mn,Fe,Mg,Ca)SiO3

Diorite

Diorite (plutonic igneous rock)

Granite

Intrusive Igneous Rock

Amazonite (likely mixed with other feldspars/minerals)

Amazonite is a variety of Microcline, which is a tectosilicate mineral, formula KAISi3O8. The mixed beads could include other feldspars or quartz.

Rose Quartz

Silicon Dioxide (SiO2)

Pyrite with Vesicular Matrix

Iron Disulfide (FeS2)

Goethite (Iron Ore)

Goethite (FeO(OH))

Diorite (Salt and Pepper Rock)

Diorite

Granite

Felsic intrusive igneous rock

Muscovite Mica

Muscovite (KAl2(AlSi3O10)(OH)2)

Quartzite with Epidote/Chlorite Inclusion

Metamorphic Quartzite (SiO2 with accessory silicate minerals)

Quartz

Silicon Dioxide (SiO2)

Amazonite (Microcline Feldspar)

K(AlSi3O8) - Potassium Aluminum Silicate

Moonstone

Orthoclase (Potassium aluminum silicate - KAlSi3O8)

Tumbled brown mineral pebble, possibly jasper or weathered quartzite

Indeterminate from the blurred image; likely microcrystalline quartz (SiO₂) if jasper, or quartzite dominated by quartz

Aragonite (Banded Calcite / 'Mexican Onyx')

Aragonite (Calcium Carbonate - CaCO3)

Granite

Intrusive Igneous Rock

Greenstone / Serpentinite

Serpentinite (complex of Mg, Fe, Ni, Al, Zn, Mn silicate minerals including Antigorite, Lizardite, and Chrysotile)

Amazonite

K(AlSi3O8) - Potassium Aluminum Silicate

Banded Gneiss

Gneiss (High-grade Regional Metamorphic Rock)

Banded Gneiss

Gneiss (Metamorphic silicate rock)

Dragon Blood Jasper

Epidote with Red Piedmontite (silicate)

Moonstone

Potassium aluminum silicate (KAlSi3O8)

African Turquoise (Jasper)

Silicon Dioxide (SiO2) - Macro-crystalline Quartz with inclusions

Green Chert (Jasper / Flint)

Silicon Dioxide (SiO2)

Green Jasper (Agate-Jasper mixture)

Silicon Dioxide (SiO2) with impurities

Sandstone Concretion

Sedimentary Clastic Rock (Silicate-rich)

Moonstone

Orthoclase (Potassium aluminum silicate - KAlSi3O8)

Chrysocolla

Chrysocolla (Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O)

Serpentine (polished/tumbled)

Serpentinite; chiefly antigorite, lizardite, and chrysotile, commonly with magnetite and carbonate minerals

Chert (Green Jasper)

Microcrystalline Quartz (SiO2) with iron silicate inclusions

Sugilite

Sugilite [KNa2(Fe,Mn,Al)2Li3Si12O30]

Quartzite with inclusions

Metamorphosed quartz sandstone

Chert (Jasper)

Silicon Dioxide (SiO2)

Diorite

Intrusive Igneous Diorite

Petrified Wood

Silicified Wood (SiO2)

Quartz Pebble

Silicon Dioxide (SiO2)