Quartz (Engineered Stone Countertop)
Silicon Dioxide (SiO2) within a resin matrix
igneous
Category
Mineral, Specifically A Detrital Grain
Browse mineral, specifically a detrital grain specimens identified by the Rock Identifier community.
Quartzite
Metamorphosed Quartz Sandstone (SiO2)
metamorphic
Granite
Intrusive Igneous Rock (composed of Quartz, Alkali Feldspar, and Plagioclase)
igneous
Basalt with Secondary Mineral Inclusions
Amygdaloidal Basalt (Mafic volcanic rock, primarily Augite and Plagioclase)
igneous
Ruby (Corundum)
Corundum (Aluminum Oxide with Chromium), Al2O3:Cr
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
mineral
Sand Grain (Silica/Quartz Grain)
Silicon Dioxide (SiO2)
sedimentary
Labradorite
Labradorite (Plagioclase Feldspar Series: (Ca,Na)(Al,Si)4O8)
mineral
Basalt
Mafic volcanic rock (Basalt)
igneous
Larimar
Pectolite (NaCa2Si3O8(OH))
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Citrine
Silicon Dioxide (SiO2) with iron impurities
mineral
Ocean Jasper
Silicon Dioxide (SiO2) - Orbicular Jasper / Chalcedony
mineral
Rose Quartz
SiO2 (Silicon Dioxide)
mineral
Citrine Quartz
Citrine (Silicon Dioxide, SiO2)
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Black Tourmaline
Schorl (Sodium Iron Aluminum Borosilicate Hydroxide)
mineral
Baroque Pearl
Biogenic Calcium Carbonate (Aragonite/Conchiolin)
mineral
Banded Agate
Cryptocrystalline Quartz (SiO2)
mineral
Howlite
Calcium borosilicate hydroxide (Ca2B5SiO9(OH)5)
mineral
Amazonite
K(AlSi3O8) - Microcline (Var. Amazonite)
mineral
Shungite
Shungite (carbon-rich Precambrian mineraloid)
mineral
Aragonite Star Cluster
Aragonite (Calcium Carbonate, CaCO3)
mineral
Diabase (Dolerite)
Mafic Intrusive Igneous Rock
igneous
Rainbow Moonstone
White Labradorite (formula: (Na,Ca)(Al,Si)4O8)
mineral
Porphyry (specifically Porphyritic Basalt or Andesite)
Porphyritic extrusive igneous rock (Mg,Fe)2SiO4 (Olivine inclusions/Plagioclase Feldspar)
igneous
Puddingstone (specifically Gowganda Tillite or St. Joseph Island Puddingstone)
Jasper Conglomerate
sedimentary
Basalt (Vesicular)
Extrusive mafic igneous rock; primarily (Ca, Na)(Mg, Fe, Al)(Si, Al)2O6 with (Ca, Na)(Al, Si)4O8
igneous
Peach Moonstone
Potassium Aluminum Silicate (KAlSi3O8)
mineral
Jasper Conglomerate (specifically Puddingstone)
Jasper Conglomerate (Siliceous sedimentary rock)
sedimentary
Limonitic Sandstone (Stained Sandstone)
Clastic Sedimentary Rock with Iron Oxide (Limonite/Goethite) staining
sedimentary
Petrified Wood
Silicified Wood (SiO2 permineralization)
sedimentary
Sandstone
Sandstone (lithified arenite/wacke)
Sedimentary Rock
Limonite Concretion
Limonite (FeO(OH)·nH2O)
sedimentary
Granitic Pegmatite with Schorl Tourmaline
Granitic Pegmatite (Schorl: NaFe3Al6(BO3)3Si6O18(OH)4)
igneous
Titanium-coated Metal Cube (Man-made Fidget Toy)
Titanium-anodized or electroplated alloy (e.g., Ti-coated Zinc or Aluminum)
Mineral alternative / Synthetic
Thunderegg (specifically a Jasper/Agate-filled Geode nodule)
Silicon Dioxide (SiO2) within Rhyolitic Matrix
igneous
Sandstone
Arenite (primarily SiO2)
sedimentary
Granitoid (Granite/Granodiorite)
Plutonic igneous rock (variable composition, primarily SiO2)
igneous
Sandstone (Ferruginous)
Arenite (Fe-rich)
sedimentary
Clear Quartz
Quartz (Silicon Dioxide, SiO2)
mineral