Milky Quartz
Silicon Dioxide (SiO2)
mineral
Category
Igneous And Mineral
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Milky Quartz
Silicon Dioxide (SiO2)
mineral
Amygdaloidal Basalt
Vesicular-Amygdaloidal Basalt (Mafic Extrusive)
igneous
Quartz Mineral
Silicon Dioxide (SiO2)
mineral
Hematite (likely Botryoidal or Specularite variant)
Iron(III) oxide (Fe2O3)
mineral
Hematite
Hematite (Iron(III) oxide, Fe2O3)
mineral
Blue Chalcedony
Silicon Dioxide (SiO2)
mineral
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Aventurine (likely Green Aventurine)
Silicon Dioxide (SiO2) with mineral inclusions
Mineral/Mineraloid within a rock matrix
Dark-colored Igneous Rock (likely Basalt or Diabase)
Basalt (extrusive igneous) or Diabase (intrusive igneous)
Igneous Rock
Fluorite
Calcium Fluoride (CaF2)
mineral
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Sapphire
Corundum (Al2O3)
mineral
Quartz with Feldspar Veining
Silica (SiO2) with Potassium Feldspar (KAlSi3O8) inclusions
mineral
Rainbow Fluorite
Fluorite (Calcium Fluoride, CaF2)
mineral
Mineral and Rock Collection (Assorted)
Mixed collection including Quartz (SiO2), Jasper (SiO2 with impurities), Rose Quartz, and Aventurine
mineral
Fluorite
Calcium Fluoride (CaF2)
mineral
Quartz with Feldspar
Silicon Dioxide (SiO2) with Potassium Feldspar (KAlSi3O8)
igneous
Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
mineral
Potassium Feldspar (Orthoclase)
Orthoclase (KAlSi3O8)
mineral
Quartz Cluster (Likely Ferruginous)
Silicon Dioxide (SiO2)
mineral
Rose Quartz
Silicon Dioxide (SiO2) with traces of Titanium, Iron, or Manganese
mineral
Rose Quartz
Silicon Dioxide (SiO2)
mineral
Crushed Granite and Basalt
Phaneritic Igneous Rock / Aphanitic Igneous Rock
igneous
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Black Spinel
Magnesium Aluminum Oxide (MgAl2O4)
mineral
Rainbow Fluorite
Fluorite (Calcium Fluoride, CaF2)
mineral
Raw Topaz (or Smoky Quartz)
Al2SiO4(F,OH)2 / Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz Mineral
Silicon Dioxide (SiO2)
mineral
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
mineral
Plagioclase Feldspar (specifically Albite/Oligoclase)
(Na,Ca)(Si,Al)4O8
mineral
Epidote
Epidote Group (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))
metamorphic
Granite
Granite (Phaneritic intrusive igneous rock)
igneous
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Banded Sandstone (Water-worn Pebble)
Arenite with mineral banding
sedimentary
Mixed Mineral and Rock Collection
Mixed geological specimens (Quartz, Amethyst, Rose Quartz, Jasper, Epidote, Chert)
mineral
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Sodalite
Sodalite - Sodium Aluminum Silicate Chloride (Na8(Al6Si6O24)Cl2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral