Chert (Jasper variety)
Silicon Dioxide (SiO2)
sedimentary
Category
Mineral Based Human Made Alloy
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Chert (Brecciated Chert)
Silicon Dioxide (SiO2)
sedimentary
Amygdaloidal Basalt
Basalt (Igneous Volcanic Rock with secondary mineral infilling)
igneous
River Pebble (likely Quartzite or Chert)
Sedimentary Clast (Silicon Dioxide dominant)
sedimentary
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
mineral
Muscovite Mica
KAl2(AlSi3O10)(OH)2
mineral
Limonite-stained Quartz
Silicon Dioxide (SiO2) with Iron Oxide/Hydroxide (FeO(OH)·nH2O) staining
mineral
Fuchsite
Cr-rich Muscovite (K(Al,Cr)2(AlSi3O10)(OH)2)
mineral
Chert (specifically Yellow/Honey Jasper variety)
Cryptocrystalline Quartz (SiO2)
sedimentary
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
sedimentary
Graphite
Graphite (Carbon, C)
mineral
Granite
Phaneritic Igneous Rock (composed primarily of Quartz, Feldspar, and Mica)
igneous
Likely biotite-bearing metamorphic rock (schist or gneiss)
Mica schist/gneiss; chiefly quartz, feldspar, and biotite mica
metamorphic
Diorite Porphyry (Polished Pebble)
Diorite
igneous
Schist
Mica Schist (primarily Muscovite and Quartz)
metamorphic
Mica (Biotite and Muscovite) in Matrix
Potassium aluminum silicate with iron/magnesium (KAl2(AlSi3O10)(F,OH)2 / K(Mg,Fe)3AlSi3O10(F,OH)2)
igneous
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
mineral
Fuchsite
Chromian Muscovite (K(Al,Cr)2(AlSi3O10)(OH)2)
Mineral
Heliodor (Yellow Beryl)
Beryl (Be3Al2Si6O18 with iron impurities)
gemstone
Biotite (Mica)
Biotite (K(Mg,Fe)3AlSi3O10(OH,F)2)
mineral
Iron-stained Quartz
Silicon Dioxide with Limonite (SiO2 + FeO(OH)·nH2O)
mineral
Fossil tooth, possibly shark tooth
Indeterminate fossilized vertebrate tooth; likely a shark tooth (possibly *Carcharhinus* or related genus)
fossil
Emerald in Matrix
Emerald (variety of Beryl) - Be3Al2(SiO3)6
mineral
White Topaz
Al2SiO4(F,OH)2 (Aluminium Silicate Fluoride Hydroxide)
mineral
Blue Topaz
Al2SiO4(F,OH)2
mineral
Emerald
Beryl (Be3Al2(SiO3)6) with Chromium/Vanadium impurities
mineral
Mystic Topaz
Aluminum silicate fluoride hydroxide with titanium coating (Al2SiO4(F,OH)2)
mineral
Chalcedony (specifically Blue Chalcedony or Common Opal variety)
Silicon Dioxide (SiO₂)
mineral
Sandstone
Arenite (SiO2 principal)
sedimentary
Labradorite (Raw)
(Ca, Na)(Al, Si)4O8
mineral
Lepidolite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
mineral
Rose Quartz and Lepidolite in Pegmatite
Crystalline Silicon Dioxide (SiO2) with Lithium-rich Mica (K(Li,Al)3(Al,Si)4O10(F,OH)2)
igneous
Red Ochre (Hematite-rich Clay)
Limonitic/Hematitic Claystone (Fe2O3 with clay minerals)
Sedimentary
Fossilized Shark Tooth
Eocene Lamniformes (Mackerel Shark clade)
fossil
Schist (Biotite/Mica Schist)
Medium-grade regional metamorphic rock (rich in Phyllosilicates)
metamorphic
Banded Chert
Microcrystalline Quartz (SiO2)
sedimentary
Epidotite (Unakite-related)
Epidote-rich rock
metamorphic
Yellow Chert (Yellow Jasper)
Microcrystalline Quartz (SiO2)
sedimentary
Carnelian (Chalcedony)
SiO2 (Silicon Dioxide with iron oxide inclusions)
gemstone
Native Copper
Native Copper (Cu)
mineral
Imperial Topaz
Al2SiO4(F,OH)2
mineral
Emerald
Beryl (Be3Al2(SiO3)6) with trace Chromium/Vanadium
mineral