Mineral (Silicate Variety)

Green Jasper

Silicon Dioxide (SiO2) with iron silicate inclusions

Red Jasper

Silicon Dioxide (SiO2) with Iron Oxide inclusions

Rose Quartz

Silicon dioxide (SiO2) with traces of titanium, iron, or manganese

Serpentine, likely a variety of Chrysoprase (green chalcedony) or a similar translucent green mineral.

Serpentine Group Minerals (e.g., Antigorite, Lizardite) or Chalcedony (SiO2) with nickel impurities for Chrysoprase green.

Rose Quartz

Silicon Dioxide (SiO2) with traces of titanium, iron, or manganese

Chrysocolla

Hydrated copper silicates (Cu,Al)2H2Si2O5(OH)4·nH2O

Rose Quartz

Silicon dioxide (SiO2) with trace amounts of titanium, iron, or manganese

Plume Agate

Silicon Dioxide (SiO2) - Chalcedony Variety

Rose Quartz

Silicon Dioxide with traces of titanium, iron, or manganese (SiO2)

Quartz Crystal

Silicon Dioxide (SiO2)

Tumbled ocean jasper (orbicular jasper), likely brecciated variety

Jasper: microcrystalline quartz (SiO₂) with iron-oxide staining and other silicate inclusions

Small rounded pebble, likely quartz-rich stone

Indeterminate from photograph; possibly microcrystalline quartz (SiO₂) or a weathered silicate pebble

Green Jasper

Silicon Dioxide (SiO2) with impurities

Likely serpentine pebble

Serpentinite; predominantly serpentine-group minerals, Mg₃Si₂O₅(OH)₄

Labradorite

(Ca, Na)(Al, Si)4O8 (Calcium Sodium Aluminum Silicate)

Imperial Topaz

Al2SiO4(F,OH)2 (Fluorine-bearing Aluminum Silicate)

Green Slate (Greenstone)

Foliated Metamorphic Rock (rich in Chlorite/Epidote)

Unidentified polished mineral specimen

Indeterminate; likely a pale feldspar or quartz-bearing material

Aquamarine

Aquamarine (Beryl variety) - Be3Al2(Si6O18)

Fluorite Bracelet (light green beads) and possibly Lavender Jadeite (purple bead)

Fluorite: CaF₂ (Calcium Fluoride); Jadeite: NaAlSi₂O₆ (Sodium Aluminum Silicate)

Soil with Mineral Detritus and Quartz Fragments

Regolith / Silicate Mineral Aggregate

Chrysoprase

Chrysoprase (a variety of Chalcedony, SiO₂)

Marble

Recrystallized Carbonate Rock (CaCO3)

Serpentine-rich serpentinite

Serpentinite, chiefly serpentine-group minerals (Mg₃Si₂O₅(OH)₄), with possible magnetite, brucite, and carbonate

Slag (Industrial Glass Slag)

Amorphous Silica / Ferro-silicate Slag

Jasper

Jasper (Silicon Dioxide, SiO2)

Jadeite Jade

NaAlSi2O6 (Sodium Aluminum Silicate)

Larimar

Pectolite (Sodium Calcium Silicate Hydroxide) - (NaCa2(Si3O8)(OH))

Marble

Recrystallized Calcite (CaCO3)

Green Jasper

Jasper (Silicon Dioxide, SiO2)

Almandine Garnet

Iron aluminum silicate (Fe3Al2(SiO4)3)

Aquamarine (Pendant) and Jasper (Beads)

Beryllium aluminum silicate (Be3Al2Si6O18) with Chalcedony (SiO2)

Beryl (Emerald Variety)

Beryllium aluminum silicate (Be3Al2(SiO3)6) with chromium/vanadium traces

Serpentinite (likely serpentine-rich rock)

Serpentine-group minerals, chiefly antigorite/lizardite; commonly with magnetite, brucite, or relict olivine

Feldspar (Orthoclase / Alkali Feldspar)

KAlSi3O8 (Potassium Feldspar / Orthoclase)

Diorite (River Pebble)

Phaneritic Intermediate Plutonic Rock (Diorite)

Chert / Green Jasper

Silicon Dioxide (SiO2)

Epidote-bearing Rock

Epidote / Silicate mineral aggregate

Possible iron-rich meteorite fragment

Undetermined; possible stony-iron or iron-oxide-rich meteorite

Rounded quartz-rich pebble, possibly weathered granite or quartzite

Indeterminate; likely quartz (SiO₂)-rich silicate rock

Rose Quartz

Silicon Dioxide (SiO2) with trace Titanium, Iron, or Manganese

Mixed polished river stones

Likely quartz, quartzite, chert/jasper, and possibly limestone or marble