Chert / Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Category
Man Made Glass (Often Grouped With Minerals In Lapidary)
Browse man made glass (often grouped with minerals in lapidary) specimens identified by the Rock Identifier community.
Learn about Man Made Glass (Often Grouped With Minerals In Lapidary) in the encyclopedia
View all →
Snakeskin Jasper
Silicon Dioxide (SiO2) with iron oxide and calcium carbonate inclusions
sedimentary
Quartzite
Quartzite (primarily SiO2)
metamorphic
Ferruginous Chert
Microcrystalline Quartz (SiO2) with Iron Oxides
sedimentary
Chert (Flint)
Chert (Microcrystalline or cryptocrystalline Quartz - SiO2)
sedimentary
Jasper
Silicon dioxide (SiO2)
sedimentary
Chert (Flint)
Silicon Dioxide (SiO2)
sedimentary
New Jade (Serpentine)
Antigorite / Serpentine Group (Mg3Si2O5(OH)4)
metamorphic
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Feldspar (Orthoclase / Alkali Feldspar)
KAlSi3O8 (Potassium Feldspar / Orthoclase)
mineral
Chert (Jasper/Agate variety)
Cryptocrystalline Quartz (SiO2)
sedimentary
Serpentinite
Serpentinite (composed primarily of Serpentine group minerals: (Mg,Fe)3Si2O5(OH)4)
metamorphic
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Onyx (Black) and Mother of Pearl Inlay
Silicon Dioxide (SiO2) for Onyx; Aragonite (CaCO3) for Mother of Pearl
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)
mineral
Sea Glass (Kelly Green)
Amorphous Silica (Silicon Dioxide with Iron/Chromium additives)
Anthropogenic specimen (Man-made material)
Leopard Skin Jasper
Silicified Rhyolite or Orbicular Jasper (SiO2)
sedimentary
Chert (Jasper)
Microcrystalline Quartz (SiO2) with iron oxide inclusions
sedimentary
Dinosaur Bone (Fossilized)
Permineralized Bone (CaCO3 or SiO2 after Hydroxylapatite)
sedimentary
Banded Gneiss
Gneiss (Foliated Metamorphic Rock)
metamorphic
Chert (Jasper)
Microcrystalline Quartz (SiO2)
sedimentary
Quartz Geode
Silicon Dioxide (SiO2)
sedimentary
Titanium Coated Aura Quartz (Apple Aura Quartz)
Silicon Dioxide (SiO2) with Metallic Vapor Deposition Coating
Mineral (Man-modified)
Chert
Microcrystalline quartz (SiO2)
sedimentary
Ferruginous Quartzite (Iron-stained Quartz)
Silicon Dioxide (SiO2) with Ferric Oxide (Fe2O3)
metamorphic
Quartz with Mica inclusions (Gold-colored Mica)
Silicon Dioxide (SiO2) with Potassium Aluminum Silicate (Phlogopite/Muscovite) inclusions
Mineral
Chert (Flint nodule)
Silicon dioxide (SiO2)
sedimentary
Chert (Flint)
Chert (SiO2)
sedimentary
Mahogany Obsidian
Obsidian (Volcanic Glass) with Hematite/Magnetite inclusions
igneous
Banded Quartzite
Metamorphosed Quartz Sandstone / Quartzite
metamorphic
Greenish Feldspathic Rock / Epidote Granite (Unakite-type or Epidote-bearing rock)
Epidotized Metamorphic/Igneous Rock
metamorphic
Milky Quartz with Iron Staining
Quartz (Silicon Dioxide, SiO2)
mineral
Agate
Agate (Chalcedony), SiO2
Mineral
Green Jasper (Banded Jasper)
Silicon Dioxide (SiO2) with impurities
sedimentary
Yellow Jasper
Silicon Dioxide (SiO2) with Goethite/Limonite inclusions
sedimentary
Quartzite
Metamorphic Quartzite (SiO2)
metamorphic
Banded Jasper
Silicon dioxide (SiO2) with impurities
sedimentary
Chert Nodule
Microcrystalline Quartz (SiO2)
sedimentary
Red Chert (Jasper)
Silicon Dioxide (SiO2)
sedimentary
Chert (often called Flint when in chalk or limestone)
Silicon Dioxide (SiO₂)
sedimentary
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
sedimentary