Man Made Glass (Often Grouped With Minerals In Lapidary)

Epidote with Quartz and Feldspar

Ca2(Al2,Fe3+)(SiO4)3(OH) (Epidote complex)

Almandine Garnet

Almandine, Fe3Al2(SiO4)3

Lepidolite on Pegmatite

Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2) in Granitic Pegmatite

Quartz (Milky or Common Quartz)

Silicon Dioxide (SiO2)

Mixed Mineral and Fossil Collection

Multi-specimen assemblage (SiO2, CaCO3, FeS2, etc.)

Chert (specifically Flint or Nodular Chert)

Silicon dioxide (SiO2)

Biotite Schist

Biotite Schist (K(Mg,Fe)3AlSi3O10(OH,F)2)

Gabbro

Phaneritic Basic Igneous Rock

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).

Feldspar (specifically Orthoclase or Plagioclase)

Potassium Aluminum Silicate (KAlSi3O8) or Sodium/Calcium Aluminum Silicate

Spinosaurus fossil (permineralized bone)

Spinosaurus aegyptiacus (Calcium phosphate mineralized with silica/sediment)

Chert (Yellow Jasper variant)

Microcrystalline Quartz (SiO2)

Orange Quartz (or Tumbled Carnelian)

Silicon Dioxide (SiO2) with iron oxide inclusions

Chert (Yellow Jasper)

Silicon Dioxide (SiO2)

Chert (Flint/Jasper variety)

Silicon Dioxide (SiO2)

Almandine Garnet

Almandine (Fe3Al2(SiO4)3)

Chert (Flint)

Silicon Dioxide (SiO2)

Chert Pebble (Jasper variant)

Microcrystalline Quartz (SiO2)

Chert (Common Opal/Chalcedony)

Microcrystalline Quartz (SiO2)

Feldspar

Potassium Feldspar (KAlSi3O8)

Chert / Jasper

Silicon Dioxide (SiO₂)

Epidotite (Unakite-related Epidote)

Epidote (Ca2(Al2,Fe)(SiO4)(Si2O7)O(OH))

Chert (specifically Flint)

Chert (SiO2)

Chert (specifically Flint or Gray Chert)

Silicon Dioxide (Microcrystalline Quartz), SiO2

Quartz (Iron-stained)

Silicon Dioxide (SiO2)

Chert (specifically Yellow/Brown Chert or Flint)

Microcrystalline or Cryptocrystalline Quartz (SiO2)

Jasper

Silicon dioxide (SiO2) with impurities

Orbicular Jasper (Eye Jasper / Kambaba-like pattern)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Ferruginous Quartz

Silicon Dioxide with Iron Oxide (SiO2 + Fe2O3)

Grey Granite

Phaneritic Felsic Intrusive Igneous Rock

Biotite (Black Mica)

Biotite (K(Mg,Fe)3AlSi3O10(OH)2)

Garnet (Pyrope-Almandine series)

Garnet Group, (Mg,Fe)3Al2Si3O12

Chrysocolla Cuprite

Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (Chrysocolla) and Cu2O (Cuprite)

Pyromorphite on Epidote

Pyromorphite [Pb5(PO4)3Cl] and Epidote [Ca2(Al2,Fe3+)(SiO4)3(OH)]

Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)

Almandine Garnet

Almandine (Fe3Al2(SiO4)3)

Pyrite

Iron Sulfide (FeS2)

Jasper

Silicon dioxide (SiO2)

Almandine Garnet

Almandine, Fe3Al2(SiO4)3

Chert (River Pebble)

Microcrystalline silica (SiO2)

Chert (Nodule)

Microcrystalline Quartz (SiO2)

Breciated Chert

Brecciated Chert (Microcrystalline Quartz, SiO2)