By Chisom Ibemere
Cuprite is a minor ore of copper which is made up of copper (1) oxide. It is a secondary mineral which are formed in the oxidized zone of copper sulphide deposits. It occurs in association with native copper, chrysocolla. It is also called a ruby copper because of it’s unique red colouration.
Cuprite was described in 1845 by Wilhelm Karl . It’s name is gotten from the word “cuprum” due to its copper content. It is found or seen in places such as Ural mountains, Altai mountain and Sardinia.
Cuprite formation occurs as a result of interactions between ground water and minerals of copper or as a result of copper deposit weathering. They have an Octahedral, cubic crystal. It has a metallic lustre with a high refractive index. They are not usually made into gemstone due to their low moh hardness. They are valued and prized for it’s appearance.
Cuprite has a specific gravity of 6.1 and brittle. It has an Adamantine lustre. Cuprite has many applications and may be used as a colourant in the production of red rubby glass. It is used as Jewelry at seldom due to its brittleness. It is used in ornamental carvings and cabochons. They are believed to be useful as tools for deeper connection with the energies of the Earth. They are used in disease healing such as thyroid gland and neck related problems. They are used as inclusions in other stones, cuprite azurite and cuprite chrysocolla.
Cuprite has a low mohs hardness of 3.5-4 and may be soft and be easily cracked or damaged. Utmost care should be taken when cleaning. It is safe to clean with lukewarm water and mild soap. Use soft cloth to wipe and avoid chemicals and ultrasonic cleaners.
Cuprite is valued on the individual stone categories such as the colour, cut and size. A well cut ones are well valued. The largest quality of cuprite are majorly seen in Namibia and other sources may include Africa, Australia, England, Japan, USA etc. The most Cabochons are Azurite cuprite, malachite cuprite and the chrysocolla cuprite. It has wide prize tag which ranges from $5-$10 and may reach $200.
