Sunstone
Plagioclase Feldspar (Na,Ca)(Al,Si)4O8
Category
Browse sedimentary (imitation) specimens identified by the Rock Identifier community.
Sunstone
Plagioclase Feldspar (Na,Ca)(Al,Si)4O8
Rose Quartz
Silicon Dioxide with trace inclusions (SiO2)
Likely polished leopard-skin jasper or brecciated jasper
Jasper, an opaque microcrystalline variety of quartz (SiO₂), with iron-oxide and other mineral inclusions; exact variety cannot be confirmed from the image alone
Turquoise (likely stabilized or Howlite/Magnesite imitation)
Hydrated phosphate of copper and aluminium, CuAl6(PO4)4(OH)8·4H2O
Tumbled green aventurine (probable)
Quartz, SiO₂, with green fuchsite mica inclusions
Strawberry Quartz (or Rose Quartz / Cherry Quartz)
Silicon Dioxide (SiO2) with Lepidocrocite, Hematite, or Goethite inclusions
Green tourmaline crystal (likely elbaite)
Elbaite tourmaline, a complex borosilicate: Na(Li,Al)₃Al₆(BO₃)₃Si₆O₁₈(OH)₄
Turquoise cabochon
Turquoise; hydrated copper–aluminum phosphate, approximately CuAl6(PO4)4(OH)8·4H2O (composition varies)
Blue chalcedony cabochon (probable)
Chalcedony, cryptocrystalline quartz; silicon dioxide (SiO₂)
Tumbled amber
Fossilized tree resin; commonly succinite (organic resin, not a mineral)
Amber / Copal
Succinite (fossilized resin)
Blue Sapphire (likely costume glass imitation)
Corundum (Al2O3) with iron/titanium impurities
Amethyst
Quartz (Silicon Dioxide, SiO2) with iron impurities
Amber
Succinite (Fossilized Tree Resin)
Tumbled brown chalcedony or jasper
Microcrystalline quartz (SiO₂), likely iron-stained chalcedony/jasper
Diamond
Diamond (C - Pure Carbon)
Crystal Quartz Beads (likely Clear Quartz)
Quartz (SiO₂)
Rhinestone (or glass crystal)
Silicon dioxide (if glass) / Various
Pearl
Calcium Carbonate (Aragonite or Calcite) and Conchiolin
Turquoise
Hydrated phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O]
Blue chalcedony cabochon (probable)
Chalcedony, a cryptocrystalline variety of quartz; silicon dioxide, SiO₂
Strawberry Quartz
Silicon Dioxide (SiO2) with inclusions of Goethite or Hematite
Amber
(C10H16O)n – an amorphous organic substance, primarily composed of polymerized isoprenoids.
Wood Beads (Palmwood/Ebony)
Various species for wood, but often refers to woods like Palmwood (e.g., Borassus flabellifer) or Ebony (Diospyros spp.) for their distinctive grain and hardness.
Nephrite Jade
Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2)
Rutilated Quartz
SiO2 with TiO2 inclusions (Rutile)
Aquamarine
Aquamarine (Beryl variety); Be3Al2Si6O18
Tiger's Eye
Tiger's Eye (a variety of Chalcedony, which is a microcrystalline quartz with fibrous inclusions of oxidized crocidolite)
Moonstone
Adularia or Orthoclase (KAlSi3O8) or Albite (NaAlSi3O8), specifically with lamellar exsolution of albite and orthoclase.
Amazonite
KAlSi3O8 (Potassium Feldspar, variety of Microcline)
Green Aventurine
Quartz (SiO2) with Fuchsite inclusions
Red Coral
Corallium rubrum (for precious red coral), although other species like Corallium japonicum and Paracorallium are also used.
Blue Tiger's Eye
Riebeckite (crocidolite variety)
Turquoise
Turquoise (CuAl6(PO4)4(OH)8·4H2O)
Moonstone
Orthoclase Feldspar (KAlSi3O8)
Jade
There are two distinct minerals classified as Jade: Jadeite (Na(Al,Fe3+)Si2O6) and Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2). Based on the image showing translucent, somewhat fibrous material, it is likely Nephrite.
Jade (likely Nephrite or Jadeite)
Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2) or Jadeite (Na(Al,Fe3+)Si2O6)
Baroque Pearl
Calcium Carbonate (Aragonite or Calcite) and Conchiolin
Prehnite
Prehnite, Ca2Al2Si3O10(OH)2
Aquamarine
Beryl (Be3Al2Si6O18), specifically the blue-green variety
Coral (Precious Coral)
Corallium rubrum (Red Coral), Paracorallium japonicum (Momo Coral), Pleurocorallium elatius (Sardinian Coral), various other species within the Corallidae family. Chemically, it's primarily Calcium Carbonate (CaCO 3 ).
Rutilated Quartz
Quartz (SiO2) with Rutile inclusions (TiO2)