Chert (Yellow Jasper)
Silicon dioxide (SiO2) with iron oxide inclusions
sedimentary
Category
Antropogenic (Man Made Glass Byproduct)
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Milky Quartz
Silicon Dioxide (SiO2)
mineral
Basalt
Extrusive Igneous Rock (Mafic)
igneous
Quartz Vein in Host Rock
Silicon Dioxide (SiO2)
mineral
Green Fluorite
Fluorite (Calcium Fluoride, CaF2)
mineral
Fluorite (Green)
Calcium Fluoride (CaF2)
mineral
Olivine (Peridot)
Magnesium Iron Silicate (Mg,Fe)2SiO4
mineral
Olivine (Peridot)
Magnesium Iron Silicate (Mg, Fe)2SiO4
mineral
Yellow Fluorite
Calcium fluoride (CaF2)
mineral
Quartzite
Metamorphic Quartz Sandstone
metamorphic
Quartz Crystal Fragment
Silicon Dioxide (SiO2)
mineral
Chert
Chert (SiO2)
sedimentary
Colorless Quartz (Rhinestone)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Quartzite
Quartzite (SiO2 silicon dioxide)
metamorphic
Milky Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Green Fluorite
Fluorite (Calcium Fluoride) - CaF2
mineral
Green Fluorite
Fluorite (Calcium Fluoride - CaF2)
mineral
Sandstone
Arenite (SiO2 based)
sedimentary
Sandstone (Quartzose)
Arenite (primarily SiO2)
sedimentary
Basalt
Extrusive Igneous Rock
igneous
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Quartz (Milky/Chalcedony variety)
Silicon Dioxide (SiO2)
mineral
Citrine
Silicon Dioxide (SiO2)
mineral
Rose quartz
Quartz, silicon dioxide (SiO₂)
mineral
Carnelian
Carnelian (Silicon Dioxide - SiO2)
mineral
Fluorite Tower
Calcium Fluoride (CaF2)
mineral
Olivine (Peridot)
Magnesium Iron Silicate (Mg, Fe)2SiO4
mineral
Strawberry Quartz and Rose Quartz
Silicon Dioxide (SiO2) with inclusions
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace elements of titanium, iron, or manganese
mineral
Rose Quartz
Rose Quartz (SiO2)
mineral
Rose Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Rose Quartz
Quartz (Silicon Dioxide) - SiO2
mineral
River Stone (Quartzite/Chert mixture)
Microcrystalline Quartz (SiO2)
sedimentary
White quartz-rich pebble
Quartz (SiO₂), possibly milky quartz or quartzite
mineral
Tumbled Rose Quartz with Matrix
Rose Quartz - SiO2 (Silicon Dioxide)
mineral
Diamond (or Lab-Grown Cubic Zirconia)
Carbon (C)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Rose Quartz
Silicon Dioxide (SiO2)
mineral
Rose Quartz
Silicon dioxide (SiO2)
mineral
Quartzite
Metamorphic Quartzite
metamorphic