Mineral (Man Enhanced)

Gossan (Iron Hat) with Quartz and Chlorite

Limonite/Goethite-rich Gossan (FeO(OH)·nH2O) with inclusions of Quartz and Chlorite

Weathered basalt or iron-rich volcanic rock

Mafic volcanic rock, likely basalt; exact identification requires testing

Tumbled Agate (Dyed Blue)

Silicon Dioxide (Chalcedony variety)

Jasper (Iron-stained Quartz)

Silicon dioxide (SiO2) with iron oxide inclusions

Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

Phantom Quartz with Chlorite and Hematite inclusions

Silicon Dioxide (SiO2) with inclusions of Chlorite group minerals and Hematite (Fe2O3)

Basalt

Basalt (Aphanitic Mafic Volcanic Rock)

Pink Granite / K-Feldspar

Alkali feldspar granite / Potassium feldspar (Microcline/Orthoclase)

Greenstone / Epidosite

Epidosite (Metasomatic rock consisting mainly of Epidite Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH) and Quartz)

Blue Quartz (or Blue Aventurine)

Silicon Dioxide (SiO2) with inclusions (typically Crocidolite or Dumortierite)

Green Fluorite

Calcium Fluoride (CaF2)

Weathered greenstone (likely serpentinite or altered basalt)

Serpentinite-group rock, commonly dominated by serpentine minerals (antigorite/lizardite); exact identification requires testing

Chert (often called Flint)

Chert (Microcrystalline Silicon Dioxide, SiO2)

Polished orbicular jasper (likely ocean jasper)

Silicified microcrystalline quartz/chalcedony with iron-oxide-rich orbicules; commonly called Ocean Jasper

Sandstone (likely Quartzose Sandstone with mineral staining)

Arenite (composed mainly of SiO2)

Green Fluorite

Calcium Fluoride (CaF2)

Fluorite (often referred to as Rainbow Fluorite)

Fluorite (Calcium Fluoride, CaF2)

Green Fluorite

Fluorite (Calcium Fluoride, CaF2)

Petrified Wood

Silicified Wood (primarily Chalcedony/Quartz, SiO2)

Orange chalcedony (likely carnelian)

Microcrystalline quartz, SiO₂; iron-bearing chalcedony (carnelian)

Polished banded agate (likely carnelian/onyx variety)

Microcrystalline quartz, SiO₂ (chalcedony with iron-oxide bands)

Iron-rich sandstone or laterite

Ferruginous sandstone; mainly quartz (SiO₂) cemented or stained by iron oxides such as hematite (Fe₂O₃) and goethite (FeO(OH))

Turquoise

Turquoise (Hydrated phosphate of copper and aluminium), CuAl6(PO4)4(OH)8·4H2O

Fluorite

Calcium Fluoride (CaF2)

Yellow Fluorite

Calcium fluoride (CaF2)

Potassium Feldspar

Orthoclase (KAlSi3O8)

Smoky Quartz Cluster

Silicon Dioxide (SiO2)

Amethyst cluster

Quartz, silicon dioxide (SiO₂), purple variety colored mainly by iron impurities and irradiation

Likely polished garnet

Garnet group; probably almandine, iron-aluminum silicate (Fe₃Al₂Si₃O₁₂)

Quartz (likely milky/rose quartz variety)

Quartz (SiO2 - Silicon Dioxide)

Possible weathered iron-rich rock or slag fragment

Indeterminate; likely limonite/goethite-bearing material, possibly iron slag

Sandstone (Graywacke)

Clastic Sedimentary Rock (Lithic Sandstone)

Fluorite (Rainbow/Purple Fluorite)

Calcium Fluoride (CaF2)

Prehnite

Prehnite (Ca2Al2Si3O10(OH)2)

Polished agate/chalcedony slab

Microcrystalline quartz (SiO₂), chiefly chalcedony with iron-oxide inclusions

Limonite / Brown Iron Ore

Hydrous Iron Oxide (FeO(OH)·nH2O)

Limonite with Iron Inclusions

Limonite (Hydrated Iron Oxide, FeO(OH)·nH2O)

Petrified Wood

Silicified Wood (SiO2)

Uncertain polymict breccia or altered volcanic rock

Likely hydrothermally altered volcanic breccia; exact mineral identification requires testing

Green Fluorite

Fluorite (Calcium Fluoride, CaF2)

Fluorite

Calcium Fluoride (CaF2)

Likely weathered gneiss or mica-rich schist

Foliated metamorphic rock, probably quartz–feldspar–biotite gneiss/schist