Mineral (Variety Of Quartz)

Cinnabar in Quartz

Silicon Dioxide (Quartz, SiO2) with Mercury Sulfide inclusions (Cinnabar, HgS)

Quartz with Iron Staining

Silicon Dioxide (SiO2)

Epidote

Epidote Group (e.g., Clinozoisite, Epidote, Piemontite), Epidote formula: Ca2(Al,Fe)3(SiO4)3(OH)

Common Opal / Chert

Hydrated silica (SiO2·nH2O) or Microcrystalline Quartz (SiO2)

Jasper

Silicon Dioxide (SiO2) with impurities

Banded Jasper

Silicon Dioxide (SiO2) with impurities

Gold Ore in Quartz

Native Gold (Au) in Quartz (SiO2) matrix

Red Jasper

Silicon Dioxide (SiO2) with Hematite (Fe2O3) inclusions

Chert (often called Jasper in this color variety)

Microcrystalline Quartz (SiO2)

Quartz with Mica/Host Rock

Silicon Dioxide (SiO2) with Phyllosilicates

Ruby and Diamond in Gold Setting

Corundum (Al2O3) and Diamond (C)

Rough Emerald

Emerald (Beryl), Be3Al2(SiO3)6

Granodiorite

Granodiorite (Intermediate to Felsic Intrusive Rock)

Jasper (Red/Brown)

Silicon Dioxide (SiO2) with iron oxide inclusions

Ruby (Corundum)

Aluminum oxide (Al2O3) with Chromium traces

Jasper

Jasper (Silicon Dioxide, SiO2)

Red Jasper (Chert)

Silicon Dioxide (SiO2) with iron inclusions

Chert (Jasper)

Silicon Dioxide (SiO2)

River Rock (Greywacke/Sandstone)

Lithic Wacke

Red Jasper

Silicon Dioxide (SiO2) with Iron Oxide inclusions

Chert (varietal: Jasper or Ironstone nodule)

Microcrystalline Quartz (SiO2) with iron oxides

Chert (Flint)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Chert (Jasper/Flint variety)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Ferruginous Quartzite (Red Sandstone/Quartzite)

Quartzite with Iron inclusions (SiO2 + Fe2O3)

Quartzite

Quartzite (primarily SiO2)

Porphyry (Flower Stone)

Porphyry (Andesite or Basalt matrix)

Chert (often called Flint or Jasper)

Microcrystalline or cryptocrystalline Quartz (SiO2)

Chert (White Chert / Flint)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Chert (also known as Flint)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Chert (Jasper/Chalcedony variety)

Silicon Dioxide (SiO2)

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Yellow Quartz (Citrine appearance)

Silicon Dioxide (SiO2)

Quartz (Milky or Common Quartz)

Silicon Dioxide (SiO2)

Quartz Pebble

Silicon Dioxide (SiO2)

Quartz with Iron Staining

Silicon Dioxide (SiO2)

Apatite

Apatite group mineral (e.g., Fluorapatite - Ca5(PO4)3F, Chlorapatite - Ca5(PO4)3Cl, Hydroxylapatite - Ca5(PO4)3(OH))

Quartz with Mica (Gneissic or Pegmatitic origin)

Silicon Dioxide (SiO2) with Phyllosilicates (KAl2(AlSi3O10)(F,OH)2)

Chert (Flint)

Silicon Dioxide (SiO2)

Red Jasper

Jasper (Silicon Dioxide, SiO2 with iron oxide impurities)

Milky Quartz Pebble with Matrix

Quartz (Silicon Dioxide, SiO2)

Quartz Pebbles

Silicon Dioxide (SiO2)

Titanium Aura Quartz (Aura Quartz)

Titanium-coated Silicon Dioxide (SiO2)