Synthetic Material (Not A Rock Or Mineral)

Mica Group Minerals

There isn't a single scientific name as 'Mica' refers to a group of phyllosilicate minerals. Common scientific names include Muscovite (KAl₂ (AlSi₃O₁₀)(OH)₂), Biotite (K(Mg,Fe)₃AlSi₃O₁₀(OH)₂), Phlogopite (KMg₃AlSi₃O₁₀(OH)₂), and Lepidolite (K(Li,Al)₃(Al,Si,Rb)₄O₁₀(F,OH)₂).

Chrysocolla on Matrix

Hydrated copper phyllosilicate (Cu,Al)2H2Si2O5(OH)4·nH2O

Shale

Clastic sedimentary rock (primarily clay and silt minerals)

Sedimentary Rock (possibly conglomerate or breccia with a quartz vein)

Veined Pebble (likely a Quartz-Veined Pebble)

Pebble with Mineral Vein (e.g., Quartz Vein in a Chert/Mudstone Pebble)

Banded Agate (Polished Slice)

Chalcedony (cryptocrystalline Quartz), SiO2

Quartz

Silicon Dioxide (SiO2)

Fossilized Brachiopod

Phylum Brachiopoda (replaced by Calcite/CaCO3)

Jasper

Silicon Dioxide (SiO2)

Olivine

Olivine group (Mg, Fe)2SiO4

Gneiss

High-grade metamorphic rock (Gneiss)

igneous, sedimentary, and metamorphic

Drill Core Samples (Varied Lithology)

Multi-lithological core samples (containing potential granite, marble, and phyllite/schist sequence)

Sandstone

Arenite (primarily SiO2 with trace Fe2O3)

Concretion

Various mineral compositions, typically carbonate or iron oxide cemented sediment

Sedimentary

Banded Onyx (Mexican Onyx / Travertine)

Calcite (CaCO3) - Banded Travertine

Amber

Succinite (C10H16O)

Quartz Geode

Silicon Dioxide (SiO2)

Diamond

Diamond (pure Carbon, C)

Diamond (Cut jewelry specimen)

Diamond (pure Carbon, C)

Diamond (set in jewelry)

Diamond (Carbon, C)

Tiger's Eye (Brown/Dark variety)

Pseudomorph of Quartz after Crocidolite (SiO2 with inclusions)

Chalcedony (Agate)

Silicon Dioxide (SiO2)

Serpentinite

Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4

Sandstone with Algae Growth

Arenite with Chlorophyta/Lichen

Amygdaloidal Basalt

Amygdaloidal Basalt (Mafic Volcanic Rock)

igneous

Serpentinite

Serpentinite (composed primarily of Serpentine group minerals, Mg3Si2O5(OH)4)

Petrified Wood

Silicified wood (principally SiO2)

Quartz (possibly milky quartz)

Quartz (Silica; SiO₂)

Vesicular Basalt (or Scoria)

Vesicular Basalt (Aphanitic-vesicular volcanic rock)

igneous

Gneiss (Banded Gneiss)

Gneiss

Basalt with Scoria

Amygdaloidal Basalt / Vesicular Basalt

igneous

Ruby in Matrix

Corundum (Al2O3)

Agate

Agate (Silicon Dioxide, SiO2)

Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)

Iron-stained Quartz

Silicon Dioxide (SiO2) with Hematite/Limonite impurities

Red Jasper

Silicon Dioxide (SiO2) with Iron Oxide inclusions

Jasper

Silicon dioxide (SiO2)

Ferruginous Quartz

Silicon Dioxide (SiO2) with Hematite/Limonite inclusions

Milky Quartz

Silicon Dioxide (SiO2)

Smoky Quartz

Silicon Dioxide (SiO₂)

Red Sandstone

Arenite (Ferruginous Sandstone)

Moss Agate

Chalcedony (Silicon Dioxide - SiO2) with inclusions