Rock Identifier

Category

Mineraloid Like Synthetic Material

Browse mineraloid like synthetic material specimens identified by the Rock Identifier community.

Learn about Mineraloid Like Synthetic Material in the encyclopedia

Yttrium Aluminum Garnet

Yttrium Aluminum Garnet

Shungite

Zincite

Opalite

Lead Feldspar

Peat

Blue Line Jasper

Lime Green Tourmaline

Lime Green Tourmaline

Argillite

Needle Tourmaline

Needle Tourmaline

Calc-Silicate Rock

Calc-Silicate Rock

Color-Change Tourmaline

Color-Change Tourmaline

Pink Opal (Hydrated Silicon Dioxide (SiO2 · nH2O)) — mineraloid

Pink Opal

Hydrated Silicon Dioxide (SiO2 · nH2O)

Precious Opal (Hydrated silica (SiO2·nH2O)) — mineraloid

Precious Opal

Hydrated silica (SiO2·nH2O)

Amber (Succiniferous fossil resin (C10H16O)) — mineraloid

Amber

Succiniferous fossil resin (C10H16O)

Amber (Succinates (C10H16O)) — mineraloid

Amber

Succinates (C10H16O)

Obsidian (Volcanic Glass (70-75% SiO2)) — igneous

Obsidian

Volcanic Glass (70-75% SiO2)

Amber (Succinite (with approximate formula C10H16O)) — mineraloid

Amber

Succinite (with approximate formula C10H16O)

Amber (Succinite (Carbon-based organic compound; approximate formula C10H16O)) — Mineraloid

Amber

Succinite (Carbon-based organic compound; approximate formula C10H16O)

Amber (Succinate (Fossilized Tree Resin)) — mineraloid

Amber

Succinate (Fossilized Tree Resin)

Amber (Succinite (C10H16O)) — mineraloid

Amber

Succinite (C10H16O)

Clear Quartz (faceted) / Diamond Simulant (Silicon Dioxide (SiO2) / Cubic Zirconia (ZrO2)) — gemstone

Clear Quartz (faceted) / Diamond Simulant

Silicon Dioxide (SiO2) / Cubic Zirconia (ZrO2)

Faceted citrine-colored gemstone (likely synthetic/display stone) (Quartz, SiO₂, if natural citrine; possibly synthetic sapphire or glass imitation) — gemstone

Faceted citrine-colored gemstone (likely synthetic/display stone)

Quartz, SiO₂, if natural citrine; possibly synthetic sapphire or glass imitation

Dalmatian jasper (Orbicular rhyolite, commonly sold as Dalmatian jasper; quartz- and feldspar-rich volcanic rock with dark amphibole/biotite inclusions) — igneous

Dalmatian jasper

Orbicular rhyolite, commonly sold as Dalmatian jasper; quartz- and feldspar-rich volcanic rock with dark amphibole/biotite inclusions

Amber (Succinite (C10H16O)) — mineraloid

Amber

Succinite (C10H16O)

Jade (Jadeite or Nephrite) — Mineral/Mineraloid

Jade

Jadeite or Nephrite

Mineral/Mineraloid

Diamond (Carbon (C)) — gemstone

Diamond

Carbon (C)

Colorless faceted gemstone, likely cubic zirconia (Cubic zirconia (synthetic ZrO₂), possibly glass or quartz) — gemstone

Colorless faceted gemstone, likely cubic zirconia

Cubic zirconia (synthetic ZrO₂), possibly glass or quartz

Amber (Succiniferous fossil resin (C10H16O)) — mineraloid

Amber

Succiniferous fossil resin (C10H16O)

Obsidian (black volcanic glass), possibly slag or basalt (Obsidian; chiefly amorphous volcanic silica glass, approximately SiO₂-rich rhyolitic composition) — igneous

Obsidian (black volcanic glass), possibly slag or basalt

Obsidian; chiefly amorphous volcanic silica glass, approximately SiO₂-rich rhyolitic composition

Polished black obsidian (Volcanic glass; predominantly rhyolitic silica glass (approximately 70–80% SiO₂)) — igneous

Polished black obsidian

Volcanic glass; predominantly rhyolitic silica glass (approximately 70–80% SiO₂)

Precious Opal (SiO2·nH2O (Hydrated Silicon Dioxide)) — mineraloid

Precious Opal

SiO2·nH2O (Hydrated Silicon Dioxide)

Limonite (Yellow Ochre) (Hydrated iron(III) oxide-hydroxide (FeO(OH)·nH2O)) — mineral

Limonite (Yellow Ochre)

Hydrated iron(III) oxide-hydroxide (FeO(OH)·nH2O)

Amber (Succinite (Organic Mineraloid)) — mineral

Amber

Succinite (Organic Mineraloid)

Cubic Zirconia (Set in Jewelry) (Zirconium Dioxide (ZrO2)) — gemstone

Cubic Zirconia (Set in Jewelry)

Zirconium Dioxide (ZrO2)

Amber (Succinurite (C10H16O)) — mineraloid

Amber

Succinurite (C10H16O)

Faceted colorless gemstone, likely quartz (rock crystal) (Quartz, SiO₂) — gemstone

Faceted colorless gemstone, likely quartz (rock crystal)

Quartz, SiO₂

Amber (Succinate (Fossilized Tree Resin)) — mineraloid

Amber

Succinate (Fossilized Tree Resin)

Amber (Succinate (Organic Fossilized Resin)) — mineraloid

Amber

Succinate (Organic Fossilized Resin)

Costume Jewelry with Synthetic Gemstones (Synthetic Cubic Zirconia and Glass (SiO2 / ZrO2)) — mineral

Costume Jewelry with Synthetic Gemstones

Synthetic Cubic Zirconia and Glass (SiO2 / ZrO2)

Polished blue-black cabochon, likely blue obsidian or dyed glass-like stone (Indeterminate from image; possible natural obsidian (volcanic glass), commonly SiO₂-rich rhyolitic glass) — gemstone

Polished blue-black cabochon, likely blue obsidian or dyed glass-like stone

Indeterminate from image; possible natural obsidian (volcanic glass), commonly SiO₂-rich rhyolitic glass

Obsidian (Volcanic Glass (Silica-rich, SiO2)) — igneous

Obsidian

Volcanic Glass (Silica-rich, SiO2)

Mahogany Obsidian (Volcanic Glass with Hematite inclusions) — igneous

Mahogany Obsidian

Volcanic Glass with Hematite inclusions

Black Obsidian (Obsidian (Volcanic Glass, SiO2 + impurities)) — igneous

Black Obsidian

Obsidian (Volcanic Glass, SiO2 + impurities)

Obsidian (Volcanic Glass (SiO2)) — igneous

Obsidian

Volcanic Glass (SiO2)

Limonite (Hydrated Iron Oxide / Bog Iron) (FeO(OH)·nH2O) — Mineral (Sedimentary context)

Limonite (Hydrated Iron Oxide / Bog Iron)

FeO(OH)·nH2O

Mineral (Sedimentary context)

Dyed Quartzite (Metamorphosed Quartz (SiO2) with synthetic pigment) — metamorphic

Dyed Quartzite

Metamorphosed Quartz (SiO2) with synthetic pigment

Faceted color-change gemstone, likely synthetic alexandrite or glass imitation (Alexandrite: chrysoberyl, BeAl₂O₄; exact identification requires gemological testing) — gemstone

Faceted color-change gemstone, likely synthetic alexandrite or glass imitation

Alexandrite: chrysoberyl, BeAl₂O₄; exact identification requires gemological testing

Obsidian arrowhead (Volcanic glass; predominantly SiO₂, with minor feldspar, pyroxene, and iron oxides) — igneous

Obsidian arrowhead

Volcanic glass; predominantly SiO₂, with minor feldspar, pyroxene, and iron oxides

Mahogany Obsidian (Volcanic glass containing Hematite or Magnetite (SiO2 + Fe2O3)) — igneous

Mahogany Obsidian

Volcanic glass containing Hematite or Magnetite (SiO2 + Fe2O3)

Tektite (Indochinite) (Tektite (High-silica natural glass)) — mineraloid

Tektite (Indochinite)

Tektite (High-silica natural glass)

Gold Sheen Obsidian (Volcanic Glass (SiO2 + impurities)) — igneous

Gold Sheen Obsidian

Volcanic Glass (SiO2 + impurities)

Amber (Amber (C10H16O)) — mineral

Amber

Amber (C10H16O)

Amber (Succinite (C10H16O)) — Mineraloid

Amber

Succinite (C10H16O)