Man Made Byproduct (Often Mistaken For Obsidian Or Emerald)

Quartz (likely Jasper or Chert variety)

Quartz (SiO₂)

Quartzite

Quartzite

White Jade / White Chalcedony

Nephrite Jade (Ca2(Mg,Fe)5Si8O22(OH)2) or Chalcedony (SiO2)

Chert Pebble (Jasperoid/Flint)

Silicon Dioxide (SiO2) - cryptocrystalline quartz

Quartz (Rock Crystal) with minor impurities

Quartz (SiO2)

Clear Quartz (or Rock Crystal)

Quartz (SiO₂ - Silicon Dioxide)

Quartz (River Pebble)

Quartz (SiO₂ - Silicon Dioxide)

Caliche (also known as hardpan, calcrete, kankar)

Primarily composed of calcium carbonate (CaCO₃), often mixed with other minerals like quartz, clay minerals, and iron oxides.

Quartz

Silicon Dioxide (SiO₂)

Soapstone

Steatite (primarily composed of Talc, Mg₃Si₄O₁₀(OH)₂)

Quartz

Quartz (SiO2 - Silicon Dioxide)

Magnetic Hematite

Magnetized Hematite (an iron oxide mineral, Fe2O3, that has undergone magnetization)

Serpentine Jade (New Jade/Olive Jade)

Serpentinite (a rock composed primarily of serpentine minerals) / Mg3Si2O5(OH)4 for Antigorite and Lizardite

Granite

Granite (felsic intrusive igneous rock)

Fossil Coral

Coral Limestone (a type of biogenic sedimentary rock)

Quartz

Quartz (Silicon Dioxide - SiO2)

Banded Gneiss (with possible weathered sulfide or iron staining)

Gneiss, potentially with iron oxide/hydroxide staining (e.g., limonite) or weathered sulfides

Cobaltoan Calcite / Pink Dolomite (Possible)

Cobaltoan Calcite: (Ca,Co)CO3; Pink Dolomite (or Thulite): CaMg(CO3)2 or Mn-Dolomite / (Thulite: Mn2+3Al2(Si2O7)(SiO4)O(OH))

Banded Iron Formation

Banded Iron Formation (BIF)

Rock Crystal Quartz

Quartz (SiO₂)

Quartz

Quartz (SiO₂)

Basalt

Basalt (dominated by plagioclase feldspar and pyroxene)

Red Jasper

Jasper (a variety of Chalcedony, SiO₂ with iron oxide inclusions)

Serpentine Schist with Quartz Vein

Serpentine Schist (a type of Metamorphic rock). The white band is likely Quartz (SiO2).

Kyanite

Kyanite (Al2SiO5)

Seraphinite

Clinochlore (Mg,Fe)5Al(AlSi3O10)(OH)8 - specific variety for Seraphinite due to its fibrous inclusions and chatoyancy.

Calcite

Calcite (Mineral; CaCO₃)

Amethyst Geode/Cluster

Quartz (SiO2) - variety Amethyst

Granite

Granite (Felsic intrusive igneous rock)

Quartz

Silicon Dioxide (SiO2)

Quartz

Quartz (SiO2)

Dark-colored Igneous Rock (likely Basalt or Diabase)

Basalt (extrusive igneous) or Diabase (intrusive igneous)

Serpentinite (Serpentine Rock)

Serpentinite is a rock composed of one or more serpentine group minerals, chiefly antigorite, chrysotile, and lizardite, with the general formula (Mg,Fe)3Si2O5(OH)4. Often includes other minerals like magnetite, talc, and chromite.

Quartz (variety of colors)

SiO2 (Silicon Dioxide)

Turquoise (beads)

Turquoise; CuAl6(PO4)4(OH)8·4H2O

Marble

Marble (primarily Calcite, CaCO3 or Dolomite, CaMg(CO3)2)

Quartz (likely)

Quartz (SiO2 - Silicon Dioxide)

Quartz Crystal

Quartz (SiO₂)

Halite (Rock Salt)

Halite; NaCl (Sodium Chloride)

Calcite (commonly referred to as Orange Calcite or Honey Calcite given its color)

Calcite

Schist

Schist (various mineral compositions)

Diamond (Rough)

Diamond (C)