Strawberry Quartz (Quartz with Hematite inclusions)
Silicon Dioxide with Iron Oxide (SiO2 + Fe2O3)
mineral
Category
Igneous And Mineral
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Clear Quartz
Silicon dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Ferruginous Quartz
Silicon Dioxide (SiO2) with Iron Oxide (Limonite/Hematite)
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Magnetite or Hematite Nodule
Iron Oxide (Fe3O4 or Fe2O3)
mineral
Quartz Druze on Matrix
Silicon Dioxide (SiO2)
mineral
Green Fluorite
Calcium Fluoride (CaF2)
mineral
Gneiss (River Cobble)
Gneiss
metamorphic
Eudialyte
Na15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2
mineral
Green Aventurine
Aventurine Quartz (SiO2 + Fuchsite inclusions)
mineral
Magnetite / Hematite mix
Magnetite (Fe3O4) and Hematite (Fe2O3)
mineral
Sodalite
Na8(Al6Si6O24)Cl2
mineral
Massive White Quartz
Silicon Dioxide (SiO2)
mineral
Garnet
Pyrope or Almandine (X3Y2(SiO4)3)
mineral
Green Calcite
Calcium Carbonate (CaCO3)
mineral
Quartz Geode (with Calcite influence)
Silicon Dioxide (SiO2) with possible Calcium Carbonate (CaCO3)
mineral
Aventurine
Aventurine Quartz (SiO2)
mineral
Calcite
Calcium Carbonate (CaCO3)
mineral
Yellow Calcite
Calcite (Calcium Carbonate, CaCO3)
mineral
Banded Agate
Agate (Silicon Dioxide - SiO2)
mineral
Hematite Ball
Iron(III) oxide (Fe2O3)
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
mineral
Epidote in Matrix
Epidote; Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)
metamorphic
Amygdaloidal Basalt
Amygdaloidal Basalt (Mafic Volcanic Rock)
Igneous
Granite
Granite (phaneritic felsic intrusive rock)
igneous
Granite
Granite (Phaneritic Igneous Rock)
igneous
Potassium Feldspar (Orthoclase)
Orthoclase (KAlSi3O8)
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Fluorite (left), Sodalite (middle), Dumortierite/Tumbled Quartzite (right)
Calcium Fluoride (CaF2), Sodium Aluminum Silicate Chloride (Na8(Al6Si6O24)Cl2), Aluminum Borosilicate (Al7(BO3)(SiO4)3O3)
mineral
Quartz Geode
Silicon dioxide (SiO2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Diorite river stone
Intermediate Plutonic Igneous Rock (Diorite)
igneous
Dalmatian Stone
Dalmatian Jasper (not a true jasper, typically an igneous perthite)
igneous
Rose Quartz
SiO2 (Silicon Dioxide with trace Titanium, Iron, or Manganese)
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Foliated Metamorphic Rock (likely Gneiss or Schist)
Gneissic Metamorphic Rock
metamorphic
Epidote-bearing Granite (Unakite-like)
Epidotized Granite
igneous
Quartz (Milky/Crystalline fragment)
Silicon Dioxide (SiO2)
mineral
Vesicular Basalt
Amygdaloidal Basalt (Mafic extrusive volcanic rock)
Igneous
Blue Apatite
Fluoroapatite (Ca5(PO4)3F)
mineral