Igneous

Granite

Granite

Apatite

Fluorapatite (Ca5(PO4)3F)

Granite

Granite

Magnetite (Lodestone variety)

Magnetite (Fe3O4)

Magnetite

Iron(II,III) oxide (Fe3O4)

Dalmatian Jasper

Aplite with Arfvedsonite inclusions

Basalt

Basalt

Blue Apatite

Fluorapatite (Ca5(PO4)3F)

Blue Apatite

Fluorapatite (Ca5(PO4)3F)

Blue Apatite

Apatite (Group), Ca5(PO4)3(F,Cl,OH)

Rose Quartz

Silicon dioxide (SiO2)

Blue Apatite

Fluorapatite (Ca5(PO4)3F)

Magnetite

Magnetite (Fe3O4)

Sodalite

Sodalite (Na8(Al6Si6O24)Cl2)

Dark Igneous Rock (Likely Basalt or Diabase)

Basalt (extrusive igneous rock) or Diabase (intrusive igneous rock - also known as Dolerite), largely composed of plagioclase feldspar, pyroxene (augite), and sometimes olivine and amphibole. Exact mineralogy would require thin section analysis.

Magnetite

Magnetite (Fe3O4)

Magnetite (Iron Ore)

Magnetite (Fe3O4)

Magnetite (potentially Hematite)

Magnetite (Fe₃O₄)

Sodalite

Sodalite - Na8(Al6Si6O24)Cl2

Pyrite

Iron Sulfide (FeS2)

Granite

Granite

Greenstone or Epidote-rich rock

Epidote or Chlorite schist/greenstone

White Topaz

Al2SiO4(F,OH)2

Magnetite

Magnetite (Fe3O4)

Rose Quartz

Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese

Magnetite / Iron Ore

Magnetite (Fe3O4)

Magnetite (Iron Ore)

Magnetite (Fe3O4)

Magnetite (Iron Ore)

Magnetite (Fe3O4)

Magnetite (Iron Ore)

Magnetite (Fe3O4)

Labradorite

(Ca,Na)(Al,Si)4O8

Magnetite (potentially Hematite-rich)

Magnetite (Fe3O4)

Magnetite Orthorthotropic Rock

Magnetite (Fe3O4)

Magnetite

Magnetite (Fe3O4)

Sodalite

Sodium Aluminum Silicate Chloride (Na8Al6Si6O24Cl2)

Magnetite (Iron Ore)

Magnetite (Fe3O4)

Labradorite

Labradorite (Ca, Na)(Al, Si)4O8

Sapphire

Corundum (Al2O3)

Magnetite

Magnetite (Fe3O4)

Blue Apatite

Fluorapatite (Ca5(PO4)3F)

Quartz Cluster (Likely Ferruginous)

Silicon Dioxide (SiO2)

Blue Apatite

Fluorapatite (Ca5(PO4)3F)

Quartz (Milky/Common Quartz)

Silicon Dioxide (SiO2)