Mineral Description (Anthropogenic Material)

Petrified Wood

Silicified wood (principally Silicon Dioxide, SiO2)

Weathered granite-like rock

Coarse-grained granitic rock, likely quartz–feldspar–mica aggregate

Yellow Jasper

Silicon Dioxide (SiO2) with iron oxide inclusions

Lapis Lazuli (Low Grade)

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

Dragon Blood Jasper

Epidote-rich Quartzite (SiO2 with Ca2(Al,Fe)3(SiO4)3(OH))

Chert Pebble with Quartz Veins

Microcrystalline Quartz (SiO2)

Banded gneiss pebble

Gneiss, commonly quartz–feldspar–mica gneiss

Yellow Chert (Yellow Jasper)

Microcrystalline Quartz (SiO2)

Greywacke (Sandstone)

Lithic wacke

Quartzite with Dark Mineral Inclusions

Quartzite (primarily SiO2) with accessory minerals

Septarian Nodule

Septarian Concretion (Complex of Calcite, Aragonite, and Limestone/Mudstone)

Diamond

C (Carbon)

Sandstone (Graywacke type)

Clastic Sedimentary Rock (Lithic Sandstone)

Lapis Lazuli

Lapis Lazuli (Rock containing Lazurite, Na8[AlSi O4]6[S,Cl,SO4,OH]2)

Polished red jasper pebble

Jasper, microcrystalline quartz (SiO₂) colored mainly by hematite/goethite

Milky Quartz in Conglomerate Matrix

Silicon Dioxide (SiO2) within Clastic Sedimentary Rock

Petrified Wood

Silicified wood (primarily Silicon Dioxide, SiO2)

Petrified Wood

Silicified Wood (primarily SiO2)

Malachite-bearing copper ore

Malachite, Cu₂CO₃(OH)₂, likely mixed with chrysocolla, copper minerals, and iron oxides

Quartz Crystal Cluster (Pipe-like or Candle Quartz Growth)

Silicon Dioxide (SiO2)

Quartzite

Quartzite (primarily SiO2)

Likely quartz-rich rock fragment

Probably microcrystalline quartz (SiO₂), possibly a pale chert or quartzite fragment

Sand Tiger Shark Tooth

Carcharias taurus (fossilized)

Petrified Wood

Silicified Wood (SiO2)

Ammonite Fossil (Small Pyritized or Calcitized Internal Mold)

Ammonoidea

Jasper

Silicon dioxide (SiO2)

Likely tumbled calcite or pale limestone fragment

Calcite (CaCO₃), possibly microcrystalline limestone

Rough Diamond

Diamond (Pure Carbon: C)

Sandstone (Ferruginous)

Arenite with Iron Oxides

Quartzite with inclusions

Quartzite (SiO2)

Sandstone (likely Graywacke or Arkose variant)

Clastic Sedimentary Rock (SiO2 based)

Sandstone

Arenite (SiO2 based)

Fossilized bivalve shell

Bivalvia indeterminate; likely a fossil cockle or clam shell, aragonite/calcite replaced or preserved

Petrified Wood

Silicified Wood (SiO2)

Weathered granite or granitic gneiss

Granite; chiefly quartz, feldspar, and mica (possibly gneissic if foliation is confirmed)

Tumbled red jasper

Jasper, an opaque microcrystalline variety of quartz (SiO₂), colored mainly by iron oxides

Mica-rich metamorphic rock, likely schist

Biotite–muscovite schist, possibly garnet-bearing

Rose quartz beads

Quartz, silicon dioxide (SiO₂), pink variety

Malachite

Copper(II) carbonate hydroxide [Cu2CO3(OH)2]

Golden Healer Quartz

Silicon Dioxide (SiO2) with iron oxide inclusions

Rose Quartz with Schist Matrix

Silicon Dioxide (SiO2) with Mica-Schist

Turritella Fossil

Turritella (Class Gastropoda, Family Turritellidae)