Sedimentary (Secondary Mineral) Within Igneous

Quartz

Silicon Dioxide (SiO2)

Clear Quartz

Quartz (Silicon Dioxide, SiO2)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Milky Quartz

Silicon Dioxide (SiO2)

Clear Quartz

Quartz (Silicon Dioxide, SiO2)

Clear Quartz (Rock Crystal)

Silicon Dioxide (SiO2)

Quartz (Milky/Common Quartz)

Silicon Dioxide (SiO2)

Quartz / Common Agate

Silicon Dioxide (SiO2)

Conglomerate

Conglomerate (clastic sedimentary rock)

Fluorite

Calcium Fluoride (CaF2)

Quartz Druzy on Matrix (with Copper Mineralization)

Silicon Dioxide (SiO2) with Chrysocolla (Cu2-xAlx(H2-xSi2O5)(OH)4·n H2O)

Quartz with Mica inclusions (likely Schist or Gneiss host)

Silicon Dioxide (SiO2) with Phyllosilicates (KAl2(AlSi3O10)(OH)2)

Gneiss (specifically Banded Gneiss)

Gneiss

Prehnite

Prehnite - Ca2Al(AlSi3O10)(OH)2

Chert (Flint)

Chert (Silicon Dioxide, SiO2)

Metamorphic Rock (composed of multiple minerals)

Muscovite Mica

Muscovite (KAl2(AlSi3O10)(OH)2)

Mineral

Ruby in Zoisite

Ruby (α-Al2O3) embedded in Zoisite (Ca2Al3(SiO4)3(OH)) with some Hornblende

Sandstone

Clastic sedimentary rock (primarily SiO2)

Jasper

Silicon dioxide (SiO2)

Gold

Native Gold (Au)

Quartz

Silicon Dioxide (SiO₂)

Mineral

Unidentifiable Specimen

Undetermined

Unknown

Basalt

Basalt (Aphanitic-to-porphyritic mafic volcanic rock)

igneous

Green Aventurine

Silicon Dioxide (Quartz with Fuchsite inclusions), SiO2

Chert (specifically Banded Chert)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Moonstone

Orthoclase Feldspar (KAlSi3O8)

Mineral

Hematite

Ferric oxide (Fe2O3)

Blue Lace Agate

Cryptocrystalline Quartz (SiO2) with trace minerals

Amazonite

K(AlSi3O8) - Microcline variant

Gneiss

Gneiss (High-grade Metamorphic Rock)

Chert (variations include Flint or Jasper)

Cryptocrystalline Quartz (SiO2)

Chert (specifically Gray Chert)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Raw Citrine

Citrine (Silicon Dioxide - SiO2)

Quartz Pebble

Silicon Dioxide (SiO2)

Fossilized Sand Tiger Shark Tooth

Carcharias taurus / Striatolamia macrota (mineralized as Hydroxylapatite/Francolite)

sedimentary (fossil)

Carnelian

Carnelian (a variety of Chalcedony), SiO2 (Silicon Dioxide)

Diorite (Dalmatian Stone)

Phaneritic Plutonic Diorite

igneous

Gneiss (specifically Banded Gneiss)

Gneiss

Garnet in Schist (Garnetiferous Micaceous Schist)

Almandine Garnet, Fe3Al2(SiO4)3

Labradorite

Labradorite ((Ca, Na)(Al, Si)4O8)