Amygdaloidal Basalt
Amygdaloidal Basalt (Mafic volcanic rock including secondary mineral infills)
Igneous
Category
Mineral (Tectosilicate)
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Moonstone (bead form)
Potassium Aluminum Silicate (KAlSi3O8) - a variety of Orthoclase Feldspar
Mineral
Basalt River Cobble
Basalt (Aphanitic Mafic Volcanic Rock)
igneous
Amphibolite (specifically Hornblende Schist/Gneiss)
Amphibole-rich Metamorphic Rock
metamorphic
Gneiss (with Mica and Quartz)
Gneissic Metamorphic Rock
metamorphic
Lepidolite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2 (Lithium-bearing mica)
mineral
Limonite with Hematite
Hydrated Iron(III) Oxide-Hydroxide (FeO(OH)·nH2O)
mineral
![Pyromorphite on Epidote (Pyromorphite [Pb5(PO4)3Cl] and Epidote [Ca2(Al2,Fe3+)(SiO4)3(OH)]) — mineral](https://media.rockidentification.com/3cbdc467-e5c5-447f-afde-c958e111a578-thumbnail.jpg)
Pyromorphite on Epidote
Pyromorphite [Pb5(PO4)3Cl] and Epidote [Ca2(Al2,Fe3+)(SiO4)3(OH)]
mineral
Epidote with Quartz and Feldspar
Ca2(Al2,Fe3+)(SiO4)3(OH) (Epidote complex)
metamorphic
Aventurine (likely Green Aventurine)
Quartz (SiO2) with included minerals (Fuchsite or Chlorite for green color)
Mineral
Chakra Stone Bracelet (mixed gemstones)
Multi-mineral/Gemstone assembly (primarily Quartz variety beads)
mineral
Granite
Granite (Phaneritic Igneous Rock)
igneous
Greenschist (Greenstone)
Chlorite Schist / Greenschist Facies Rock
metamorphic
Gneiss
Gneiss
metamorphic
Quartzite
Quartzite (SiO2)
metamorphic
Fossilized Shark Teeth
Carcharhiniformes or Lamniformes species (common mineral: Fluorapatite/Ca5(PO4)3F)
sedimentary (fossilized organic matter)
Gneiss
Gneiss
metamorphic
Serpentinite (often containing Jadeite/Nephrite)
Antigorite-rich Serpentine Rock, (Mg, Fe)3Si2O5(OH)4
metamorphic
Granite
Phaneritic Felsic Igneous Rock
igneous
Chert Pebble (Jasper/Quartz variety)
Microcrystalline Quartz (SiO2)
sedimentary
Quartzite Pebble
Metamorphic Quartz-rich Rock (SiO2)
metamorphic
Basalt (Amygdaloidal)
Amygdaloidal Basalt
igneous
Schist
Mica Schist
metamorphic
Schist
Mica Schist
metamorphic
Granite
Granite (Mainly SiO2 and Al2O3)
igneous
Bornite (Peacock Ore)
Bornite (Cu5FeS4)
mineral
Aquamarine
Beryl (Be3Al2Si6O18)
gemstone
Garden Quartz (Shaman Quartz)
Silicon Dioxide (SiO2) with various inclusions (Hematite, Chlorite, Feldspar)
mineral
Pegmatite
Granitic Pegmatite
igneous
Granitic Pegmatite
Pegmatite (Quartz: SiO2, Feldspar: KAlSi3O8, Mica: KAl2(AlSi3O10)(OH)2)
Igneous
Greenstone / Graywacke
Metagraywacke or Chlorite Schist
metamorphic
Foliated Gneiss
Gneiss (Metamorphic Rock)
metamorphic
Gneis
Gneiss (High-grade metamorphic rock)
metamorphic
Granite
Granite (phaneitic intrusive igneous rock)
igneous
Diamond in Kimberlite
Diamond in Kimberlite Matrix (Diamond: C, Kimberlite: complex Potassic Peridotite)
igneous
Gneiss
High-grade Metamorphic Gneiss
metamorphic
Gneiss
Gneiss (High-grade Metamorphic Rock)
metamorphic
Fossilized Shark Tooth (Partial)
Elasmobranchii (fossil tooth fragment)
sedimentary
River Quartzite Slik
Quartzite (SiO2)
metamorphic
Gneiss
Gneiss
metamorphic
Granite
Intrusive igneous rock (Acidic)
igneous
Gneiss (specifically Biotite Gneiss)
Gneiss (high-grade metamorphic rock primarily composed of Silicates)
metamorphic