Milky Quartz
Silicon dioxide (SiO2)
mineral
Category
Man Made Glass
Browse man made glass specimens identified by the Rock Identifier community.
Pumice
Pumicite
igneous
Fluorite (translucent octahedral crystal)
Calcium fluoride (CaF2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz (River Pebble)
Silicon Dioxide (SiO2)
mineral
Rose Quartz
Silicon Dioxide (SiO2)
mineral
Dendritic Jasper (Bumblebee like Agate)
Silicon Dioxide with inclusions (SiO2)
sedimentary
Chert (Chert Nodule)
Microcrystalline quartz (SiO2)
sedimentary
Ferrous Slag
Fused calcium-iron silicates (Industrial Slag)
Anthropogenic/Industrial byproduct
Fluorite
Calcium Fluoride (CaF2)
mineral
Fluorite
Calcium fluoride (CaF2)
mineral
Green Fluorite
Fluorite (Calcium Fluoride, CaF2)
mineral
Red Jasper
Silicon Dioxide (SiO2) with Hematite impurities
sedimentary
Celestite (Celestine)
Strontium sulfate (SrSO4)
mineral
Quartz pebble
Silicon dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Citrine Quartz
Silicon Dioxide (SiO2) with iron impurities
mineral
Chert (often called Flint)
Chert (Cryptocrystalline Silica, SiO2)
sedimentary
White Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Green Fluorite
Fluorite (Calcium Fluoride, CaF2)
mineral
Obsidian (Apache Tear)
Amorphous Volcanic Glass (SiO2 + impurities)
igneous
Green Fluorite
Calcium Fluoride (CaF2)
mineral
Fluorite
Fluorite (Calcium Fluoride, CaF2)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Quartz (Smoky/Milky variety)
Silicon Dioxide (SiO2)
mineral
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Quartz nodule (River pebble)
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Quartz / Quartzite
Silicon Dioxide (SiO2)
mineral / metamorphic
Quartz Geode Fragment
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz Pebble
Crystalline Silicon Dioxide (SiO2)
mineral
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
White Quartz
Silicon Dioxide (SiO2)
mineral
Olivine (Peridot)
Magnesium Iron Silicate (Mg,Fe)2SiO4
Mineral
Blue Apatite
Chlorapatite / Fluorapatite (Ca5(PO4)3(F,Cl,OH))
mineral
Sandstone (Ferruginous)
Ferruginous Sandstone (SiO2 with iron oxide cement)
sedimentary