Mineral; Variety Of Quartz

Banded Chert in Matrix

Microcrystalline Quartz (SiO2)

Chert (Flint variety)

Microcrystalline context of Quartz (SiO2)

Green Aventurine (Propably a tumbled variety)

Aventurine Quartz (SiO2 with inclusions of Fuchsite)

Orange Calcite

Calcite (CaCO3)

Chert / Flint

Chert (Cryptocrystalline Silica, SiO2)

Yellow Jasper

Jasper, a microcrystalline variety of Quartz (SiO2) with iron inclusions

Quartzite

Quartzite (SiO2)

Chert (Jasper/Flint variety)

Microcrystalline Quartz (SiO2)

Citrine Quartz

Silicon Dioxide (SiO2) - Ferric Iron impurities

Fuchsite in Quartz

K(Al,Cr)2(AlSi3O10)(OH)2 + SiO2

Jasper (Green Jasper/Chert)

Silicon Dioxide (SiO2)

Amethyst (Chevron or Dream Amethyst variety)

Tectosilicate Silicon Dioxide (SiO2) with iron impurities

Chert / Flint

Chert (Microcrystalline Quartz, SiO2)

Chert (Jasper)

Microcrystalline Quartz (SiO2)

Banded Chert

Microcrystalline Quartz (SiO2)

Chert (Flint variety)

Chert (SiO2)

Chert (often called Flint)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Milky Quartz with Iron Staining

Quartz (Silicon Dioxide, SiO2)

Chert / Flint

Chert (varieties include Flint)

Jasper (Red Jasper)

Silicon Dioxide (SiO2) with iron oxide inclusions

Iron-stained Milky Quartz

Silicon Dioxide (SiO2) with iron oxide inclusions

Sandstone (Quartzite-rich Cobble)

Clastic sedimentary rock (primarily SiO2)

Dalmatian Stone

Dalmatian Stone (a fine-grained igneous rock, often misidentified as Dalmatian Jasper)

Chert (Flint variety)

Microcrystalline or cryptocrystalline Quartz (SiO2)

Chert (specifically a nodule with Chalcendony/Agate banding)

Microcrystalline Quartz (SiO2)

Chert (Common Chert)

Cryptocrystalline Quartz (SiO2)

Chert (Jasper/Flint variety)

Microcrystalline quartz (SiO2)

Chert (Yellow Jasper)

Microcrystalline Quartz (SiO2)

Included Quartz Beads (likely Phantom Quartz or Garden Quartz)

Quartz (SiO2) with various mineral inclusions

Sandstone (Red/Brown Variety)

Arenite (composed primarily of SiO2 with Fe2O3 iron oxide inclusions)

Quartzite

Quartzite (primarily SiO2)

Ocean Jasper

Orbicular Jasper (Silicon Dioxide, SiO2)

Jasper (specifically Red Jasper or Iron-stained Chert)

Silicon dioxide (SiO2) with iron oxide inclusions

Ocean Jasper (Orbicular Jasper)

Silicon Dioxide (SiO2)

Yellow Jasper / Chert

Jasper (Silica/Quartz) - SiO2

Sandstone (likely Siltstone variety)

Arenite / Siltstone (primary mineral SiO2)

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.

Sandstone (Quartz Sandstone)

Arenite (primarily SiO2)

Quartz (Iron-stained)

Silicon Dioxide (SiO2) with Hematite/Limonite impurities

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz

Quartz (Silicon Dioxide - SiO2)

Chert (Green variety)

Microcrystalline Opaline/Quartz (SiO2)