Quartz-rich pegmatite, possibly with mica and feldspar
Granitic pegmatite; mainly quartz (SiO₂), feldspar, and biotite/muscovite mica
igneous
Category
Mineral With Metamorphic Or Igneous Host
Browse mineral with metamorphic or igneous host specimens identified by the Rock Identifier community.
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Quartz-rich breccia or vein quartz with dark inclusions
Milky quartz (SiO₂), likely brecciated and cemented with iron oxides and dark mica/amphibole minerals
igneous
Prehnite
Prehnite Ca2Al2Si3O10(OH)2
mineral
Emerald (or possibly Green Glass / Slag)
Beryl (Be3Al2(SiO3)6)
gemstone
Chrysotile Serpentine (Asbestos in Matrix)
Chrysotile Mg3Si2O5(OH)4
metamorphic
Green Quartz (Prasiolite)
Silicon Dioxide (SiO2)
mineral
Ruby (set in a gold pendant)
Ruby (Variety of Corundum, Al2O3)
mineral
Blue Sapphire (Raw)
Corundum (Al2O3)
mineral
Yellow Quartz (Citrine or Iron-stained Quartz)
Silicon Dioxide (SiO2)
mineral
Clear Quartz Crystal
Silicon Dioxide (SiO2)
mineral
Wishing Stone (Basalt with Quartz Vein)
Basalt containing a microcrystalline quartz (SiO2) or calcite vein
igneous
Iron-stained quartz-rich rock, possibly gold-bearing quartz
Quartz (SiO₂) with iron-oxide staining; possible limonite/goethite matrix
mineral
Milky quartz (rough quartz chunk)
Quartz, silicon dioxide (SiO₂)
mineral
Quartz Vein in Amphibolite / Gneiss
Quartz (SiO2) in Mafic Metamorphic Host Rock
metamorphic
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky quartz (rough quartz crystal)
Quartz, silicon dioxide (SiO₂)
mineral
Copper-bearing Quartz Vein in Host Rock
Quartz with Malachite/Chrysocolla staining
igneous/metamorphic with mineral
Milk Quartz (White) and Yellow Aventurine (Yellow)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Arsenopyrite in Quartz/Host Rock
Arsenopyrite (FeAsS)
mineral
Quartz-rich pegmatite (possibly quartz–feldspar rock)
Granite pegmatite; chiefly quartz (SiO₂) with feldspar and minor mica/iron staining
igneous
Raw purple fluorite crystal (tentative)
Fluorite, calcium fluoride (CaF₂)
mineral
Orange chromium diopside (likely tumbled)
Diopside, CaMgSi₂O₆; orange color may reflect iron-rich composition or surface treatment/inclusion
mineral
Tumbled Ruby
Corundum (Al2O3:Cr)
gemstone
Gneiss with Quartz Veining
Gneiss (High-grade regional metamorphic rock)
metamorphic
Yellow Sapphire
Corundum (Al2O3)
gemstone
Yellow Sapphire
Corundum (Al2O3)
gemstone
Greenstone
Greenschist (Metamorphosed Mafic Rock)
metamorphic
Rough Garnet (Almandine)
Almandine Garnet (Fe3Al2(SiO4)3)
mineral
Ruby / Red Tourmaline
Corundum (Al2O3) or Elbaite (Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)4)
mineral
Star Ruby
Corundum (Al2O3 with chromium and rutile inclusions)
mineral
Blue Dumortierite Quartz
Dumortierite Inclusions in Quartz (SiO2 with Al7(BO3)(SiO4)3O3)
mineral
Milky Quartz with Country Rock contact
Silicon Dioxide (SiO2) in contact with Metamorphic/Igneous rock
mineral
Milky Quartz in Epidote Host Rock
Crystalline Silicon Dioxide (SiO2) with Epidote Ca2(Al,Fe)3(SiO4)3(OH)
mineral
Pyritic Gneiss (with Garnet)
Gneiss containing Pyrite (FeS2) and Almandine Garnet (Fe3Al2(SiO4)3)
metamorphic
Quartz-veined Metamorphic Rock
Quartz-veined Schist or Gneiss
metamorphic
Quartz-Veined Gneiss or Metamorphic Rock with Quartz Veins
Quartz-veined metamorphic rock (Silicate mineral assemblage)
metamorphic
Green Aventurine
Quartz with Fuchsite inclusions (SiO2)
mineral
Quartz Geode
Silicon Dioxide (SiO2) within Sedimentary or Igneous host
mineral
Greenstone
Metamorphic Rock (Greenschist facies)
metamorphic
Greenstone
Metabasalt
metamorphic
Aquamarine (Beryl) Beads
Beryllium aluminum silicate (Be3Al2Si6O18)
gemstone