Due to its high iron content, magnetite has long been a major iron ore, and is responsible for humans discovering magnetism, and the creation of the compass.

A botryoidal form of the copper or Malachite.

A fibrous form of the copper ore Malachite.

A Manganese Nodule believed to create "dark oxygen" from the Schmidt collection.

If you think this is Iron Pyrite, you are wrong! It is a polymorph of Iron Pyrite.

A rare, uranium bearing mineral.

Andradite is a species of the Garnet group.

Metatorbernite is a rare, radioactive mineral that belongs to the uranium and phosphate mineral group.

A potassium aluminosilicate with minor amounts of sodium.

A lead arsenate chloride mineral, that frequently takes on the shape of other minerals.

Moldavite is a rare green tektite—a natural glass formed when a large meteorite impacts the Earth, melts the target rock, and ejects droplets of molten material that cool while flying through the atmosphere.

Similar in appearance and feel to graphite, molybdenite has a lubricating effect that is a consequence of its layered structure.

Mookaite Jasper is a silicified radiolarian sedimentary rock (chalcedony) from Mooka Creek, Western Australia, composed mainly of SiO₂ with iron oxide colorants. It has a white streak, hardness 6.5–7 Mohs, SG ~2.6, no cleavage, and a conchoidal fracture. Its earthy reds, yellows, creams, and purples make it highly prized in lapidary and decorative uses, and it is unique to Australia.