Mineral Within Sedimentary Rock

Halite (Rock Salt)

Halite (Sodium Chloride, NaCl)

Sandstone (likely Arkosic or Lithic Sandstone)

Arenite (SiO2 based with mineral inclusions)

Sandstone (Ferruginous)

Arenite (SiO2 with iron oxide impurities)

Sandstone (likely Arkose)

Arenite (composed mainly of SiO2 with Feldspar)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Slate

Foliated Metamorphic Rock (composed primarily of silica and alumina with iron and magnesium)

Sandstone

Clastic sedimentary rock (primarily SiO2)

Sandstone (likely Red/Brown Sandstone)

Arenite (SiO2 based)

Sedimentary Sandstone (Sandstone Slab)

Arenite (SiO2 with Fe2O3 staining)

Nuummite

Nuummite (Orthorhombic amphiboles: Anthophyllite and Gedrite)

Sandstone

Arenite (composed primarily of SiO2)

Pink Quartz Pebble

Quartz (Silicon Dioxide, SiO2)

Fossilized Shark Tooth in Matrix

Otodus sp. (likely Otodus obliquus)

Granite

Granite (Felsic Plutonic Rock)

Sandstone

Arenite (Siliclastic sedimentary rock), SiO2 + various minerals

Calcite (Iceland Spar)

Calcite (Calcium Carbonate, CaCO3)

Sandstone

Arenite (primarily SiO2)

Yellow Ochre / Limonite

Limonite (FeO(OH)·nH2O)

Quartz / Quartz Geode fragment

Silicon Dioxide (SiO2)

Carnelian Agate

Chalcedony (SiO2 with Iron Oxide impurities)

Druzy Quartz on Sandstone

Silicon Dioxide (SiO2) with Quartz crystals

Sandstone (Pet Rock)

Clastic sedimentary rock (primarily SiO2)

Sandstone (likely Arkosic)

Clastic Sedimentary Rock (Sandstone)

Sandstone (likely Quartzose Sandstone)

Arenite (composed primarily of SiO2)

Sandstone (Beach Pebble)

Clastic sedimentary rock (primarily Quartz and Feldspar)

Limestone Breccia

Sedimentary Breccia (Calcareous)

Pebble (likely a type of sandstone or quartzite pebble)

Clastic Sediment (specifically, a rudite-sized clast). If the pebble is composed of a specific rock type, its scientific name would be that rock type (e.g., 'Quartzite pebble', 'Granite pebble', 'Chert pebble'). Given its appearance, it is likely a metamorphic quartzite pebble or a hard sandstone pebble.

Desert Rose (also known as Sand Rose)

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

Dalmatian Stone

Dalmatian Jasper / Feldspathic Igneous Rock

Shale

Fissile mudstone (primarily clay minerals and silt-sized quartz)

Sandstone

Arenite (SiO2 primarily)

Sandstone

Arenite (primarily SiO2)

Sandstone (with Iron Staining)

Clastic sedimentary rock (primarily SiO2)

Sandstone (Water-worn Pebble)

Clastic sedimentary rock (primarily SiO2)

Glauconite (Glauconitic Sandstone)

Glauconite [(K,Na)(Fe,Al,Mg)2(Si,Al)4O10(OH)2]

Agate Geode with Quartz Druzy

Chalcedony (SiO2) and Quartz (SiO2)

Green Aventurine

Silicon Dioxide (SiO2) with Fuchsite inclusions

Brachiopod Fossil in Limestone

Phylum Brachiopoda (likely Order Spiriferida), CaCO3 (Calcite)

Conglomerate

Conglomerate (clastic sedimentary rock)

Quartzite with Iron Inclusions

Metamorphic Quartzite (SiO2 with Fe2O3 trace impurities)

Yellow Jasper

Silicon Dioxide (SiO2) with iron impurities

Smoky Quartz (Herkimer-style)

Silicon Dioxide (SiO2)