Honey Calcite
Calcite (Calcium Carbonate - CaCO3)
Category
Browse sedimentary like (industrial composite) specimens identified by the Rock Identifier community.
Honey Calcite
Calcite (Calcium Carbonate - CaCO3)
Blue Calcite
Calcium Carbonate (CaCO3)
Eroded Brick or Pumice-like Scoria
Vesicular Basalt / Scoria (Anthropogenic variant: Eroded Firebrick)
Ferruginous Slag (Iron Smelting Byproduct)
Fused Silicate Scoria (Amorphous mixture of FeO, SiO2, and CaO)
Silver (Native Silver)
Native Silver (Ag)
Schist
Mica Schist
Native Copper
Native Copper (Cu)
White Topaz
Aluminum Silicate Fluoride Hydroxide; Al2SiO4(F,OH)2
Diamond
Carbon (C)
Quartz Vein in Host Rock
Silicon Dioxide (SiO2) within Metasedimentary or Igneous Matrix
Olivine (Peridot)
Magnesium Iron Silicate (Mg,Fe)2SiO4
Quartz pebble (Quartztite fragment)
Silicon Dioxide (SiO2)
Chert (Flint variety)
Microcrystalline Quartz (SiO2)
Agate
Banded Chalcedony (SiO2)
Quartzite
Quartzite (SiO2)
Zinc Alloy (Silver-plated)
Zinc Alloy Casting (Zn-Al-Mg-Cu)
Schist
Schist (various mineralogical compositions including mica, chlorite, talc, etc.)
Quartzite (Rounded Pebble)
Quartzite (predominantly SiO2)
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
River Quartzite / Tumble-Polished Quartz
Quartzite (SiO2)
Blue Calcite
Calcium Carbonate (CaCO3)
Silicon
Element Si
Bumble Bee Jasper
Calcite-bearing Volcanic Tuff (not a true Jasper)
Red Jasper
Jasper (SiO2) with Hematite (Fe2O3) inclusions
Jasper
Silicon dioxide (SiO2) with iron oxide and clay inclusions
Banded Iron Formation (BIF)
Banded Iron Formation (predominantly Hematite, Magnetite, and Chert/Quartz)
Limestone
Calcium Carbonate (CaCO3)
Green Calcite
Calcium Carbonate (CaCO3)
Pink Himalayan Salt Rock (Halite)
Halite (Sodium Chloride, NaCl)
Veined Pebble (likely a Quartz-Veined Pebble)
Pebble with Mineral Vein (e.g., Quartz Vein in a Chert/Mudstone Pebble)
Smoky Quartz (Ferruginous Quartz)
Quartz (Silicon Dioxide, SiO2)
Diamond (or Diamond Simulant like Cubic Zirconia)
Carbon (C) - if Diamond; Zirconium dioxide (ZrO2) - if Cubic Zirconia
Basalt
Basalt (Mafic igneous rock)
Schorl (Black Tourmaline) in Quartz and Feldspar
NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
Drill Core Samples (Varied Lithology)
Multi-lithological core samples (containing potential granite, marble, and phyllite/schist sequence)
Bornite (Peacock Ore)
Bornite (Cu5FeS4)
Anthracite Coal
Anthracite
Quartzite
Metamorphic Quartz (SiO2)
Quartzite
Quartzite (primarily Silicon Dioxide, SiO2)
Clear Quartz (Rock Crystal)
Quartz (Silicon Dioxide, SiO2)
Wild Horse Magnesite
Magnesite with Hematite inclusions (MgCO3)
Sandstone (with potential trace fossils)
Clastic sedimentary rock (primarily SiO2)