Milky Quartz
Silicon Dioxide (SiO2)
mineral
Category
This Appears To Be A Man Made Metallic Object, Likely Jewelry, Not A Natural Rock, Mineral, Or Geological Specimen.
Browse this appears to be a man made metallic object, likely jewelry, not a natural rock, mineral, or geological specimen. specimens identified by the Rock Identifier community.
Ruby
Corundum (Al2O3)
mineral
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Aragonite Star Cluster
Aragonite (Calcium Carbonate, CaCO3)
mineral
Emerald
Beryl (Be3Al2(SiO3)6) with Chromium/Vanadium impurities
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Chert (Jasper)
Microcrystalline Quartz (SiO2) with iron oxide inclusions
sedimentary
Obsidian with Spherulitic Devitrification (Snowflake Obsidian/Mahogany related)
Volcanic Glass (70% or more SiO2)
igneous
Septarian Nodule
Septarian Concretion (CaCO3 with Siderite/Calcite/Aragonite)
sedimentary
Green Fluorite
Calcium Fluoride (CaF2)
mineral
Fluorite (Rainbow Fluorite)
Calcium Fluoride (CaF2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Yellow Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
mineral
Chert (Flint)
Chert (Silicon Dioxide, SiO2)
sedimentary
Red Jasper
Jasper (Silicon Dioxide) - SiO2
mineral
Charoite
Charoite (K(Ca,Na)2Si4O10(OH,F)·H2O)
metamorphic
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Scoria
Scoria (a vesicular basalt or andesite)
igneous
Coral Rock (Coquina)
Biogenic Limestone (Calcium Carbonate - CaCO3)
sedimentary
Porphyritic Basalt
Amygdaloidal Porphyritic Basalt
igneous
Tiger's Eye (Rough)
Pseudomorph of Quartz after Crocidolite (SiO2 with iron inclusions)
metamorphic
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
mineral
Garnet Schist
Garnetiferous Mica Schist
metamorphic
Amethyst (Raw Quartz)
Amethyst (Silicon Dioxide with Iron impurities, SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Sandstone
Arenite (SiO2 based with various mineral cements)
sedimentary
Tiger's Eye
Silicon Dioxide (SiO2) with Limonite/Goethite pseudomorphs after Crocidolite
Mineral
Amethyst
SiO2 (Silicon Dioxide with iron impurities)
mineral
Citrine
Silicon Dioxide (SiO2)
mineral
Celestite Geode
Celestine (Strontium Sulfate, SrSO4)
mineral
Quartz
Quartz (SiO₂)
Mineral
Pink Feldspar (Orthoclase)
Orthoclase Feldspar (KAlSi3O8)
mineral
Chert Nodule (Fossiliferous Chert)
Microcrystalline Quartz (SiO2)
sedimentary
Sandstone
Sandstone (lithified sand)
sedimentary
Slag Glass (Cullet Glass)
Amorphous Silica (Industrial byproduct)
mineral
Sandstone
Quartz Arenite (a common type of sandstone, given the appearance), Arkose, Greywacke (depending on mineralogy)
Sedimentary Rock
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral