Sedimentary (Chemically Precipitated) Or Metamorphic

Quartzite Pebble

Quartzite (mostly SiO2)

Quartzite with Hematite staining

Quartzite (SiO2) with iron oxide inclusions

Quartzite (River Stone)

Silicon Dioxide (SiO2)

Quartzite

Quartzite (SiO2)

Quartzite with Iron Inclusions

Metamorphic Silicon Dioxide (SiO2) with impure Limonite/Hematite

Quartzite Cobble

Quartzite (SiO2 based)

Quartzite Pebble

Metamorphosed Quartz Sandstone (SiO2)

Riverstone Quartzite

Quartzite (primarily SiO2)

Quartzite

Quartzite (primarily SiO2)

Blue Calcite

Calcium Carbonate (CaCO3)

Quartz Pebble

Silicon Dioxide (SiO2)

Quartzite

Quartzite (primarily SiO2)

Banded Calcite (Mexican Onyx)

Calcium Carbonate (CaCO3)

Quartzite with Quartz Veins

Metamorphic Quartz-rich Rock (SiO2)

Tumbled yellow calcite

Calcite (CaCO₃), likely honey/yellow calcite

Quartzite / Quartz Geodeoid Nodules

Silicon Dioxide (SiO2)

Quartzite

Quartzite (SiO2)

Quartzite with inclusions

Quartzite (SiO2) with likely Feldspar or Iron oxide inclusions

Quartzite

Quartzite (primarily SiO2)

Quartzite Pebble

Quartzite (SiO2)

Quartzite Pebble

Quartzite (SiO2 silicon dioxide)

Quartzite

Quartzite (mostly SiO2)

Quartzite

Quartzite (SiO2)

Quartzite

Metamorphosed Quartz Sandstone (primarily SiO2)

Quartzite

Quartzite (chiefly SiO2)

Quartzite

Quartzite (SiO2)

Quartzite cobble

Quartzite (SiO2)

Quartzite

Quartzite (SiO2)

Quartzite Pebble

Quartzite (SiO2)

Quartzite

Quartzite (mostly SiO2)

Quartzite

Quartzite (primarily SiO2)

Red Quartzite

Quartzite (SiO2)

Quartzite

Quartzite (SiO2)

Quartzite

Quartzite (primarily SiO2)

Quartzite

Quartzite (mostly SiO2)

Quartzite

Quartzite (SiO2)

Quartzite

Quartzite (SiO2)

Quartzite

Quartzite (primarily SiO2)

Quartzite River Rock

Quartzite (SiO2)

Quartzite

Quartzite (primarily SiO2)

Quartzite (River Pebble)

SiO2 (recrystallized Quartz)

Quartz (likely a form of massive or vein quartz)

Quartz (SiO₂)