Green Jasper
Microcrystalline Quartz (SiO2)
Category
Browse sedimentary or igneous associated mineral specimens identified by the Rock Identifier community.
Green Jasper
Microcrystalline Quartz (SiO2)
Jasper
Microcrystalline Quartz (SiO2)
Heliotrope (Bloodstone)
Silicon Dioxide with Iron Oxide (SiO2)
Diopside (likely Chromian Diopside)
Diopside, part of Clinopyroxene family of inosilicates. Chemical formula: CaMgSi2O6. The green variety is often Chromian Diopside due to chromium impurities.
Diorite (possibly fine-grained variety or a related intermediate intrusive rock like a felsic gabbro or a dark granodiorite)
Diorite (Igneous rock, intrusive, intermediate composition)
Granite
Granite (a felsic intrusive igneous rock)
Petrified Wood
Silicified Wood (primarily Quartz/Chalcedony, SiO2)
Petrified Wood
Silicified Wood (SiO2)
Clear Quartz (Faceted) or Cubic Zirconia / Glass imitation
SiO2 (if Quartz), ZrO2 (if Cubic Zirconia)
Vesicular Basalt
Basalt (Mafic Extrusive Igneous Rock)
Chert (often found as Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Basalt
Extrusive Igneous Rock
Peacock Ore
Bornite (Cu5FeS4) with surface tarnish
Granite Pebble
Granite (Phaneritic intrusive igneous rock)
Basalt with Olivine
Aphanitic Basalt with (Mg,Fe)2SiO4 phenocrysts
Granite
Granite (a plutonic igneous rock)
Milky Quartz
Quartz (SiO2)
Blue Quartz
Silicon Dioxide (SiO2) with inclusions
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Nephrite Jade (or Serpentine)
Nephrite (a variety of amphibole mineral tremolite-actinolite) or Serpentine Group minerals
Granodiorite
Phaneritic Plutonic Rock (Granodiorite)
Fluorite
Calcium Fluoride (CaF2)
Basalt (with Vesicles)
Mafic Volcanic Rock
Tumbled Gabbro
Gabbro (Mafic intrusive igneous rock)
Obsidian
Volcanic Glass (Amorphous Silica)
Apache Tear (Obsidian)
Volcanic Glass (Amorphous Silicon Dioxide)
Pyrite
Iron Disulfide (FeS2)
Granitic Gneiss
Gneiss (Polymetamorphic Granitic Gneiss)
Quartz (Iron-stained Quartz)
Silicon Dioxide (SiO2)
Pyrite (Fools Gold)
Iron Disulfide (FeS2)
Quartz (Milky/Snow)
Silicon Dioxide (SiO2)
Hematite
Iron(III) oxide (Fe2O3)
Rose Quartz
Silicon Dioxide (SiO2)
Granite
Granite (a common rock type, not a single mineral species)
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
Petrified Wood
Silicified wood (primarily SiO2 - Silicon Dioxide/Quartz)
Serpentine
Antigorite/Lizardite (Mg, Fe)3Si2O5(OH)4
Propylitic Altered Andesite
Hydrothermally Altered Andesite
Fluorite (specifically Blue John or Banded Fluorite)
Calcium Fluoride (CaF2)
Milky Quartz
Silicon Dioxide (SiO2)
Green Jasper
Microcrystalline Quartz (SiO2)
Jasper pebble
Jasper (Silicon Dioxide, SiO2)