Gneiss
Gneiss
Category
Browse mineral with metamorphic or igneous host specimens identified by the Rock Identifier community.
Gneiss
Gneiss
Citrine
Silicon Dioxide (SiO2) with iron impurities
Milky Quartz
Silicon Dioxide (SiO2)
Quartz (Milky/Vein Quartz)
Silicon Dioxide (SiO2)
Banded Gneiss
Gneiss (Metamorphic high-grade, predominantly SiO2, Al2O3, K2O, Na2O)
Quartz Pebble
Silicon Dioxide (SiO2)
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
Turquoise
Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)
Native Copper with Cuprite and Quartz
Copper (Cu), Cuprite (Cu2O), Quartz (SiO2)
Dragon Blood Jasper
Epidote-rich Quartzite (SiO2 with Ca2(Al,Fe)3(SiO4)3(OH))
Greenschist (Chlorite Schist)
Greenschist (Metamorphic rock dominated by chlorite, actinolite, and epidote)
Chert / Jasper
Microcrystalline Quartz (SiO2)
Chert with Quartz Vein
Microcrystalline Quartz (SiO2) with Macrocrystalline Quartz
Quartz (specifically Milky or Clear Chunk)
Silicon Dioxide (SiO2)
Gneiss
High-grade Metamorphic Gneiss
Clear Quartz Crystal Cluster
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Jasper (Zebra Jasper)
Silicon Dioxide (SiO2) with impurities
Unidentifiable Specimen
Undetermined
Concretion
Siderite or Ironstone Concretion
Quartz (Rose/Milky variety)
Silicon Dioxide (SiO2)
Amethyst
Silicon Dioxide (SiO2) with iron impurities
Gold Nugget
Native Gold (Au)
Magnetite (Lodestone variety)
Magnetite (Iron(II,III) oxide, Fe3O4)
Gneiss
High-grade foliated metamorphic rock
Banded Gneiss
Gneiss (Metamorphic Rock)
Chert Pebble with Quartz Veins
Microcrystalline Quartz (SiO2)
Turquoise
Hydrated phosphate of copper and aluminum (CuAl6(PO4)4(OH)8·4H2O)
Gneiss
Gneiss (Metamorphic high-grade)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Turquoise
Turquoise (CuAl6(PO4)4(OH)8·4H2O)
Drill Core Samples (Varied Lithology)
Multi-lithological core samples (containing potential granite, marble, and phyllite/schist sequence)
Greenschist
Greenschist (Major minerals include Chlorite, Actinolite, and Epidote)
Gneiss
Gneiss
Gneiss
Gneiss
Gneiss
Gneiss
Quartz Geode
Silicon Dioxide (SiO2)
Druzy Quartz on Matrix
Silicon Dioxide (SiO2)
White Quartz Pebble
Crystalline Silicon Dioxide (SiO2)
Jasper (Picture Jasper variety)
Silicon Dioxide (SiO2) with impurities
Turquoise
Turquoise - CuAl6(PO4)4(OH)8·4H2O (Hydrous phosphate of copper and aluminium)
Chalcedony Nodule (Commonly known as Agate or Chert)
Microcrystalline Quartz (SiO2)