Mineral Like Byproduct

Triceratops Fossil

Triceratops horridus

Chert

Microcrystalline Quartz (SiO2)

Sandstone

Arenite

Sandstone Pebble

Arenite (primarily SiO2)

Diamond

Carbon (C)

Smoky Quartz occurring with Feldspar

Silicon Dioxide (SiO2) with Potassium Aluminum Silicate (KAlSi3O8)

Granite

Intrusive Igneous Rock

Fossilized Angel Wing Shell

Cyrtopleura costata

Clear Quartz

Silicon Dioxide (SiO2)

Sugilite

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

Sandstone

Arenite (SiO2 primarily)

Sandstone

Arenite (SiO2 based)

Quartz Pebble

Silicon Dioxide (SiO2)

Quartz Pebble

Silicon Dioxide (SiO2)

Yellow Chalcedony (Quartz Pebble)

Silicon Dioxide (SiO2)

Quartz Pebble

Silicon Dioxide (SiO2)

Septarian Nodule

Septarian Concretion (CaCO3 with Siderite/Limonite streaks)

Sandstone (Ferruginous)

Arenite (with Iron Oxides)

Biotite (Black Mica)

Biotite (K(Mg,Fe)3AlSi3O10(OH)2)

Red Feldspar (Orthoclase)

Orthoclase Feldspar (KAlSi3O8)

Blue Sapphire (Raw/Tumbled Corundum)

Corundum (Aluminum Oxide, Al2O3 with Fe/Ti traces)

Snowflake Obsidian

Volcanic Glass with Cristobalite inclusions (SiO2)

Auriferous Quartz (Gold-bearing Quartz)

Silicon Dioxide (SiO2) with trace Gold (Au) and Iron Oxides

Gneiss

Gneiss

Fluorite

Calcium Fluoride (CaF2)

Siltstone Pebble with Veining

Siltstone

Sandstone

Arenite (compositionally various, primarily SiO2)

Epidote

Calcium aluminum iron silicate (Ca2(Al, Fe)3(SiO4)3(OH))

Black Beach Pebble (Basalt / Slate Pebble)

Rounded Fine-Grained Clastic / Igneous Rock Pebble

Diorite

Diorite (intermediate intrusive igneous rock)

Sandstone (Ferruginous)

Arenite (with Iron Oxide)

Malachite

Copper carbonate hydroxide [Cu2CO3(OH)2]

Granite Pegmatite with Muscovite Mica

Granite Pegmatite (Silicon Dioxide and complex silicates)

Sandstone (Banded)

Sedimentary Clastic Rock

Leopard Jasper

Microcrystalline Quartz (SiO2)

Golden Healer Quartz

Silicon Dioxide (SiO2) with limonite/hematite inclusions

Aventurine Quartz

Silicon Dioxide (SiO2) with Fuchsite inclusions

Basalt

Basalt (Aphanitic mafic volcanic rock)

Sandstone

Arenite (SiO2 based)

Garnet (likely Pyrope or Almandine)

Garnet Group (complex nesosilicate minerals, e.g., Pyrope Mg3Al2(SiO4)3, Almandine Fe3Al2(SiO4)3, Spessartine Mn3Al2(SiO4)3, Grossular Ca3Al2(SiO4)3, Andradite Ca3Fe2(SiO4)3, Uvarovite Ca3Cr2(SiO4)3). The vivid red color in the image strongly suggests Pyrope or Almandine.

Quartz with Magnetite or Schorl inclusion

Silicon Dioxide (SiO2) with Fe3O4 or NaFe3(Al6)(BO3)3Si6O18(OH)4

Chert (Jasper variety)

Chert (SiO2)