Mineral Like Byproduct

Calamites (Fossil)

Calamites sp. (Tracheophyta, Equisetopsida)

Moonstone with Black Tourmaline

Orthoclase (KAlSi3O8) with Schorl inclusions

Green Aventurine

Quartz (SiO2) with Fuchsite inclusions

Chert (with Limestone/Dolomite host)

Microcrystalline Quartz (SiO2)

Limonite (Iron Stone Concretion)

Limonite (Hydrous Iron Oxide) - FeO(OH)·nH2O

Milky Quartz with Iron Staining

Silicon Dioxide (SiO2)

Fluorite

Calcium Fluoride (CaF2)

Granodiorite / Granite

Granodiorite (containing Quartz SiO2, Plagioclase Feldspar, and Biotite)

Chert (Flint Nodules)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Granite

Granite (a common igneous rock)

Serpentine Jade (New Jade/Olive Jade)

Serpentinite (a rock composed primarily of serpentine minerals) / Mg3Si2O5(OH)4 for Antigorite and Lizardite

Chert (often called Flint)

Chert (Microcrystalline Silicon Dioxide, SiO2)

Quartz Pebble

Silicon Dioxide (SiO2)

Chalcedony (Agate/Quartz pebble)

Silicon dioxide (SiO2) - Microcrystalline Quartz

Undetermined Due to Blur (Possible Flesh-Tone Mineral)

Unknown (Insufficient Visual Clarity)

Sandstone (Quartzose)

Arenite (primarily SiO2)

Sandstone (likely Quartz Sandstone)

Arenite (SiO2 based)

Quartz (Vein Quartz)

Silicon Dioxide (SiO2)

Green Jasper (Chert)

Silicon Dioxide (SiO2)

Basalt with Quartz/Feldspar Vein

Amygdaloidal Basalt with Plutonic intrusion (SiO2/KAlSi3O8)

Green Aventurine

Silicon Dioxide (Quartz) with inclusions (SiO₂)

Ferruginous Quartz

Quartz (Silicon Dioxide, SiO2) with Iron Oxides

Sandstone

Arenite (primarily SiO2)

Picture Jasper

Silicon Dioxide (SiO2) with mineral inclusions

Quartz (with inclusions / Sandstone fragment)

Silicon Dioxide (SiO2)

Hematoid Quartz

Ferruginous Quartz (SiO2 with Fe2O3 inclusions)

Rose Quartz

Silicon dioxide (SiO2) with trace amounts of titanium, iron, or manganese

Chalcedony (Agate)

Silicon Dioxide (SiO2)

Quartz (Milk/Citrine variety)

Silicon Dioxide (SiO2)

White Marble

Recrystallized Calcite (CaCO3)

Mica Schist

Mica Schist (Composition typically contains Muscovite: KAl2(AlSi3O10)(OH)2 or Biotite: K(Mg,Fe)3AlSi3O10(OH)2 along with Quartz and Feldspar)

Quartz Conglomerate

Quartz Conglomerate (clastic sedimentary rock)

Sulfur

Native Sulfur (S8)

Desert Rose (also known as Sand Rose)

Gypsum (CaSO4·2H2O) or Barite (BaSO4) with sand inclusions

Sandstone

Arenite (SiO2 principal)

Ironstone (with Limonite/Goethite)

Ferruginous Sedimentary Rock (contains Limonite FeO(OH)·nH2O and Hematite Fe2O3)

Megalodon Shark Tooth Fossil

Otodus megalodon

Shale with Siltstone layering

Sedimentary Clastic Rock (Mudstone/Shale)

Siltstone with Quartz Vein

Siltstone (primarily SiO2, Al2O3, Fe2O3)

Sandstone with Tafoni Weathering

Arenite (SiO2 based)

Red Sandstone

Arenite (Ferruginous Sandstone)

Shale

Shale (comprised mostly of clay minerals and quartz)