Granite
Intrusive igneous rock
igneous
Category
Igneous Or Mineral
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Granite
Intrusive Igneous Rock
igneous
Granite
Intrusive Igneous Rock
igneous
Granite
Plutonic Igneous Rock
igneous
Yellow Topaz
Al2SiO4(F,OH)2
gemstone
Yellow Topaz
Aluminum silicate fluoride hydroxide, Al2SiO4(F,OH)2
gemstone
Granite
Felsic intrusive igneous rock
igneous
Ruby (Raw Corundum)
Al2O3 (Aluminum Oxide)
mineral
Granite (likely weathered, coarse-grained specimen)
Granite; chiefly quartz, feldspar, and mica
igneous
Granite
Intrusive Igneous Rock
igneous
Diorite
Diorite (Intermediate intrusive igneous rock)
igneous
Blue Apatite
Calcium Fluorophosphate (Ca5(PO4)3F)
mineral
Epidote
Ca2(Al,Fe)3(SiO4)3(OH)
mineral
Milky Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Granite Pebble
Intrusive Igneous Rock
igneous
Amygdaloidal Basalt with Agate/Zeolite Amygdules
Basalt (extrusive igneous rock) containing secondary mineral fillings
igneous
Milky Quartz
Quartz (SiO2)
mineral
Nephrite Jade
Nephrite
Mineral/Rock
Blue sodalite (likely)
Sodalite, Na₈(Al₆Si₆O₂₄)Cl₂
mineral
Green-speckled igneous rock, likely epidote-bearing basalt or serpentinite
Tentatively epidote-bearing basalt (compositionally uncertain from the image)
igneous
Mixed Tumbled Gemstones and Minerals
Various silicate and oxide minerals
mineral
Granite
Felsic intrusive igneous rock
igneous
Epidote
Epidote (Ca2(Al,Fe)3(SiO4)3(OH))
mineral
Clear Quartz Crystal
Silicon Dioxide (SiO2)
mineral
Tumbled Mixed Gemstones and Rocks
Various mineral species including quartz (SiO2) and silicate minerals
mineral
Red Granite
Intrusive Igneous Rock
igneous
Granite
Plutonic Igneous Rock
igneous
Biotite Granite
Intrusive Igneous Rock
igneous
Quartz
Silicon Dioxide (SiO2)
mineral
Red Garnet (likely Almandine or Pyrope)
Garnet group: X3Y2(SiO4)3 (e.g., Almandine: Fe3Al2Si3O12)
mineral
Dalmatian Jasper
Microcrystalline Quartz with Arfvedsonite and Tourmaline
igneous
Emerald
Beryl (Be3Al2Si6O18 with Chromium/Vanadium impurities)
mineral
Biotite Mica
K(Mg,Fe)_3AlSi_3O_10(OH)_2
mineral
Graphite
Graphite (Carbon, C)
mineral
Diorite (Porphyritic) / Granite
Plutonic Igneous Rock (Granodiorite / Diorite)
igneous
Granite
Intrusive Igneous Rock
igneous
Granite
Intrusive igneous rock
igneous
Granite
Granite (Phaneritic Igneous Rock)
igneous
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Green Quartz
Silicon Dioxide (SiO2)
mineral
Likely magnetite (iron-oxide mineral)
Magnetite, Fe₃O₄
mineral