Mineral Or Sedimentary Rock (With Mineral Inclusions)

Red Quartz (Carnelian/Red Jasper Agate)

Silicon Dioxide (SiO2) with Iron Oxide inclusions

Sunstone (variety of Feldspar)

Oligoclase Sunstone, Plagioclase Feldspar (Na,Ca)Al(Si,Al)Si2O8

Jasper

Jasper (Cryptocrystalline Quartz; SiO2)

Green Jasper

Silicon Dioxide (SiO2) with impurities

Granite Pebble (Weathered)

Phaneritic Felsic Igneous Rock

Red Brecciated Jasper

Silicon Dioxide (SiO2) with Hematite inclusions

Granite

Phaneritic Felsic Igneous Rock

Granite Cobble

Felsic Intrusive Igneous Rock (Granite)

Lapis Lazuli

Na8[Al6Si6O24]Sn (Lazurite-rich metamorphic rock)

Yellow Jasper

Silicon Dioxide (SiO2) with Goethite/Limonite inclusions

Quartz (vein quartz)

SiO2 (Silicon Dioxide)

Milky Quartz

Silicon Dioxide (SiO2)

Rose Quartz

Silicon Dioxide (SiO2)

Red Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Vesicular Sandstone

Clastic Sedimentary Rock (Sandstone)

Ferruginous Quartz

Silicon Dioxide (SiO2) with Hematite/Limonite impurities

Jasper

Silicon dioxide (SiO2) with impurities

Jasper with Agate Inclusions

Silicon Dioxide (SiO2) - variety of Quartz/Chert

Chert (Jasper/Agate variety)

Cryptocrystalline Quartz (SiO2)

Sandstone with Bedding Planes

Arenite (Sedimentary rock composed primarily of sand-sized minerals)

Red Sandstone

Arenite (primarily Quartz with Hematite cement)

Schist

Mica Schist (Medium-grade Metamorphic Rock)

Granite

Granite (composed mainly of Quartz, Feldspar, and Mica)

Yellow Jasper

Silicon Dioxide (SiO2) with iron hydroxides (Goethite/Limonite)

Ironstone with Pyrite

Ferruginous Sandstone (Fe2O3) with minor Sulfide minerals (FeS2)

Peach Moonstone

Potassium Aluminum Silicate (KAlSi3O8)

Lapis Lazuli (Low Grade)

Lazurite-rich metamorphic rock ((Na,Ca)8(AlSiO4)6(SO4,S,Cl,OH)2)

Tree Agate

Dendritic Agate (Silicon Dioxide, SiO2)

Green Aventurine

Silicon Dioxide (SiO2) with inclusions

Copper-bearing Mica Schist

Mica Schist with Native Copper inclusions

Granite

Intrusive igneous felsic rock

Desert Rose (Gypsum Variety)

Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O

Vesicular Basalt (or Scoria)

Vesicular Basalt (Aphanitic-vesicular volcanic rock)

Granite Gneiss with Garnet

Garnetiferous Gneiss

Tiger's Eye (Mineral Collection)

Tiger's Eye (SiO2 with crocidolite inclusions)

Milky Quartz

Silicon Dioxide (SiO2)

Coarse-grained Jasper or Jasper Conglomerate

Silicon Dioxide with Iron Oxide (SiO2) + Fe2O3

Basalt

Mafic Igneous Rock (composed primarily of Pyroxene and Plagioclase Feldspar)

Dendritic Agate (or Dendritic Opal)

SiO2 (for Agate), SiO2·nH2O (for Opal)

Flower Agate

Chalcedony (Silicon Dioxide) with Plume Inclusions, SiO2

Serpentinite (often containing Jadeite/Nephrite)

Antigorite-rich Serpentine Rock, (Mg, Fe)3Si2O5(OH)4

Granite

Granite (Felsic Plutonic Rock)