Volcano Agate, also referred to as Lava Agate or Volcanic Agate, is a type of agate formed in volcanic environments. Its history is deeply tied to the geological processes of volcanic activity and the cultural significance of agates throughout human history.
Uvarovite is a rare and valuable member of the Garnet mineral group. It is named after Russian statesman and mineral collector Count Sergey Semenovitch Uvarov.
Diopside is a calcium magnesium silicate mineral, often with some iron in the CaMgSi2O6 formula. Diopside creates fine collector specimens, and transparent crystals from the classic localities are highly valued.
Axinite is the name for a group of basic aluminum boro-silicate minerals of calcium, iron, magnesium, and manganese. Mineral Collectors value the sharp, transparent crystal forms.
Autunite is a hydrated calcium uranyl phosphate mineral with the formula of Ca(UO2)2(PO4)2 · 10-12H2O. Due to the uranium content of 48.27%, it is radioactive and used as uranium ore.
