Coquina
Biogenic Limestone (Calcium Carbonate, CaCO3)
sedimentary
Category
Sedimentary Or Igneous Fragment
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Coquina
Biogenic Limestone (Coquina)
sedimentary
Fossiliferous Limestone
Biogenic Calcium Carbonate (CaCO3)
sedimentary
Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
metamorphic
Conglomerate
Conglomerate rock
sedimentary
Sandstone (lithic/greywacke variant)
Clastic sedimentary rock (primarily SiO2 with rock fragments)
sedimentary
Kimberlite
Ultramafic igneous rock
igneous
Pink Granite
Phaneritic Felsic Igneous Rock
igneous
Breccia
Breccia
sedimentary
Brecciated Agate / Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
mineral
Coquina
Coquina (Limestone variant)
sedimentary
Chert (Jasper variety) with Iron Oxide staining
Cryptocrystalline Quartz (SiO2) with Goethite/Limonite impurities
sedimentary
Agatized fossil fragment, possibly silicified coral
Chalcedony (microcrystalline SiO₂) replacing carbonate fossil material
fossil
Quartz (Milky/Smoky mix)
Silicon Dioxide (SiO2)
mineral
Chert Breccia
Brecciated Chert (Microcrystalline SiO2)
sedimentary
Conglomerate
Conglomerate (clastic sedimentary rock)
sedimentary
Weathered sandstone or limestone fragment
Likely quartz-rich sandstone or micritic limestone; exact identification requires testing
sedimentary
Coquina
Biogenic Limestone (Calcium Carbonate - CaCO3)
sedimentary
Coquina
Biogenic Limestone (Calcite/Aragonite, CaCO3)
sedimentary
Coquina
Coquina Limestone
sedimentary
Fossiliferous Limestone (Coquina / Shell Limestone)
Biogenic Limestone (Calcium Carbonate, CaCO3)
sedimentary
Garnet (Almandine/Pyrope series)
Garnet Group - X3Y2(SiO4)3
mineral
Sandstone (Lithic Wacke)
Clastic sedimentary rock (primarily SiO2 with rock fragments)
sedimentary
Breccia
Breccia (Clastic Sedimentary Rock)
sedimentary
Tumbled pale quartz/chalcedony fragment
Quartz (SiO₂), possibly microcrystalline chalcedony
mineral
Sandstone
Arenite (primarily SiO2)
sedimentary
Conglomerate / Breccia Matrix (Aggregated Rock)
Sedimentary Breccia / Conglomerate
sedimentary
Pebble
Lithified clastic rock fragment / Quartz-rich pebble
sedimentary
Quartz Vein in Basalt or Sedimentary Host Rock
Silica-veined lithic fragment (SiO2 in host matrix)
sedimentary
Garden Pebble (Quartzite or Limestone fragment)
Silicon Dioxide (SiO2) or Calcium Carbonate (CaCO3) fragment
sedimentary
Boxwork Siderite or Sepatarian Nodule Weathering
Siderite (FeCO3) with secondary mineralization or Boxwork Geode fragment
sedimentary
Carnelian
Carnelian (Silicon Dioxide - SiO2)
mineral
Conglomerate
Polymictic Conglomerate
sedimentary
Conglomerate
Conglomerate (clastic sedimentary rock)
sedimentary
Quartz
Silicon dioxide (SiO2)
mineral
Oolitic Limestone
Oolitic Carbonate (CaCO3)
sedimentary
Oolitic Limestone
Oolitic Limestone (Calcium Carbonate, CaCO3)
sedimentary
Coquina
Biogenic Limestone (Calcium Carbonate, CaCO3)
sedimentary
Quartz with Feldspar and Mica (Pegmatite Fragment)
Granitic Pegmatite
igneous
Basalt Pebble
Extrusive Igneous Rock
igneous
River Pebbles (including Granite and Basalt)
Mixed Igneous Rocks (Granite, Basalt)
igneous
Mixed Crushed Stone
Aggregate (varied mineral composition)
igneous and sedimentary mixture