Ferruginous Quartz
Quartz (Silicon Dioxide) with Iron Inclusion, SiO2
Category
Browse mineral (processed alloy) specimens identified by the Rock Identifier community.
Ferruginous Quartz
Quartz (Silicon Dioxide) with Iron Inclusion, SiO2
Yellow Calcite
Calcium Carbonate (CaCO3)
Quartz (specifically Citrine or Iron-stained Quartz)
Silicon Dioxide (SiO2)
Quartz (Milky Quartz / Greenish Quartz)
SiO2 (Silicon Dioxide)
Gold-bearing Quartz
Auriferous Quartz (SiO2 with Native Gold inclusion)
Orange Calcite
Calcium Carbonate (CaCO3)
Acicular Azurite (indicated by deep blue, fibrous/fuzzy appearance)
Azurite (Copper Carbonate Hydroxide) - Cu3(CO3)2(OH)2
Orange Calcite (Polished Sphere)
Calcium Carbonate (CaCO3)
White Moonstone (Feldspar)
Potassium aluminum silicate (KAlSi3O8)
Banded Gneiss
Gneiss (High-grade Regional Metamorphic Rock)
Ocean Jasper
Orbicular Jasper (Silicon Dioxide, SiO2)
Mica Schist with Quartz
Mica-Quartz Schist (Muscovite subclass)
Mahogany Obsidian
Volcanic Glass with Hematite/Magnetite inclusions
Blue Goldstone
Aventurine Glass
Iron Slag
Ferrous Slag (Silicate/Oxide mixture)
Aventurine
Aventurine Quartz (SiO2 with inclusions)
Hematite
Hematite (Fe2O3)
Yellow Calcite
Calcium Carbonate (CaCO3)
White Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Amazonite
Microcline (variety Amazonite) - K(AlSi3O8)
Orange Calcite
Calcite (Calcium Carbonate, CaCO3)
Specular Hematite
Iron Oxide (Fe2O3)
Red Quartz (Druzy)
Silicon Dioxide (SiO2) with Hematite inclusions
Carnelian Agate
Silicon Dioxide (SiO2) with Iron Oxide impurities
Yellow Calcite
Calcium Carbonate (CaCO3)
Sodalite
Sodalite - Na8(Al6Si6O24)Cl2
Chalcedony (Grey/White Agate)
Silicon Dioxide (SiO₂)
Yellow Calcite
Calcite (Calcium Carbonate, CaCO3)
Rhodonite
Manganese Inosilicate (Mn,Fe,Mg,Ca)SiO3
Yellow Quartz (Citrine Quartzite)
Silicon Dioxide (SiO2)
Sodalite
Sodalite - Na8(Al6Si6O24)Cl2
Mixed Mineral Specimens
Mixed Silicates, Oxides, and Phosphates (SiO₂, Ca₅(PO₄)₃(F,Cl,OH), Na₈Al₆Si₆O₂₄Cl₂, etc.)
Diamond (or Cubic Zirconia simulant)
Carbon (C) or Zirconium Dioxide (ZrO2)
Amazonite (with smoky quartz/red jasper inclusions)
Tectosilicate - Microcline Feldspar (KAlSi3O8)
Rhodonite
Rhodonite (Manganese silicate), (Mn,Fe,Mg,Ca)SiO3
Yellow Calcite
Calcite (Calcium Carbonate, CaCO3)
Orca Agate
Chalcedony (Microcrystalline Quartz, SiO2)
Amygdaloidal Basalt
Basalt with secondary amygdule minerals (likely Epidote or Chlorite)
Sandstone with Quartz Vein
Arenite with Quartz (SiO2) Infilling
Greenschist
Chlorite schist
Mica Schist
Mica Schist (predominantly Muscovite or Biotite)
Granite Gneiss
Gneiss (High-grade Metamorphic Rock)