Amazonite
Microcline-type Feldspar (KAlSi3O8)
mineral
Category
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Jade (likely Jadeite)
Jadeite (a pyroxene mineral) or Nephrite (a variety of amphibole mineral)
Mineral
Basalt (Beach Pebble)
Extrusive mafic volcanic rock
igneous
N/A - Man-made object (Jewelry Chain)
Antiqued or Oxidized Metal Chain (often Steel or Brass)
Mineral (processed metal)
Basalt
Aphanitic Mafic Igneous Rock
igneous
Granodiorite (Riverbed Cobble)
Granodiorite
igneous
Aventurine (likely Green Aventurine)
Silicon Dioxide (SiO2) with included minerals (Fuchsite for green)
Metamorphic Rock / Mineral (Quartz Variety)
Seraphinite
Clinochlore (Mg,Fe)5Al(AlSi3O10)(OH)8 - specific variety for Seraphinite due to its fibrous inclusions and chatoyancy.
Mineral
Basalt River Stone (Tumbled)
Basalt (Mafic Extrusive Igneous Rock)
igneous
Peridot (likely, given the color and bead form)
Olivine, variety Peridot (Mg,Fe)2SiO4
Mineral
Scoria (Lava Rock)
Scoria (Extrusive Igneous Rock)
igneous
Carnelian Agate
Silicon Dioxide (SiO2) with Hematite impurities
mineral
Shale
Argillaceous Rock
sedimentary
Pet Rock (Man-made Quartzite or Granite Cobble)
Silicon dioxide (SiO2) mixture; commonly composed of Quartz, Feldspar, and Mica
igneous or metamorphic (base stone); anthropogenic (decoration)
Unable to identify - Image contains non-geological items
N/A
Agate (or Quartz with Agate banding)
Silicon dioxide (SiO2)
Mineral
Limonite (Iron Ore)
Hydrous Iron Oxide (goethite, lepidocrocite)
Mineral
Jade (likely Nephrite or Jadeite)
Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2) or Jadeite (Na(Al,Fe3+)Si2O6)
Mineral
Brick
Fired clay or Ceramic material (no specific mineralogical scientific name as it's a composite)
Man-made material (constructed)
Red Jasper (with Quartz Veins)
Jasper (var. chert, SiO₂)
Sedimentary Rock (technically chert, a microcrystalline quartz)
Fluorite (Green)
Fluorite (Calcium Fluoride, CaF2)
mineral
Basalt (River Stone)
Basalt (Mafic Extrusive Igneous Rock)
igneous
Quartzite with Quartz Veining
Quartzite (primarily SiO2)
metamorphic
Moss Agate
Cryptocrystalline Quartz (SiO2 with manganese or iron oxide inclusions)
mineral
Iridium sand or Osmium-Iridium nugget
Iridosmine / Osmiridium (Platinoid grouping)
mineral
Banded Jasper
Silicon Dioxide (SiO2)
Mineral/Sedimentary Rock (as a cryptocrystalline variety of quartz)
Amethyst
Silicon Dioxide (SiO2) with iron impurities
mineral
White Chalcedony (Agate)
Silicon Dioxide (SiO2)
mineral
Dyed Agate
Silicon Dioxide with artificial pigment (SiO2)
sedimentary
Carnelian (Red Chalcedony)
Silicon Dioxide (SiO2) with iron oxide impurities
mineral
Quartzite
Quartzite (primarily SiO2)
metamorphic
Amazonite
K(AlSi3O8) - Microcline
mineral
Moss Agate
Silicon dioxide (SiO2) with inclusions
Mineral
Fluorite Bracelet (light green beads) and possibly Lavender Jadeite (purple bead)
Fluorite: CaF₂ (Calcium Fluoride); Jadeite: NaAlSi₂O₆ (Sodium Aluminum Silicate)
Mineral for Fluorite; Mineral/Rock for Jadeite (as it's often a rock composed primarily of jadeite mineral)
Spessartine Garnet
Manganese aluminum silicate (Mn2+3Al2(SiO4)3)
mineral
Basalt
Basalt (dominated by plagioclase feldspar and pyroxene)
igneous
Carnelian
Carnelian Agate (SiO2)
mineral
Chert
Chert (microcrystalline quartz)
sedimentary
Fluorite (tumbled pebble)
Calcium Fluoride (CaF2)
mineral
Black River Stone (likely Basalt or Chert)
Basalt (primarily Plagioclase Feldspar and Pyroxene)
igneous
Banded Agate
Cryptocrystalline Quartz (SiO2)
mineral
Chert (Flint)
Microcrystalline Quartz (SiO2)
sedimentary