Overview:
Simón Iturri Patiño (1 June 1862 – 20 April 1947) was a Bolivian industrialist who was among the world's wealthiest people at the time of his death. With a fortune built from ownership of a majority of ...
Mining in the English counties of Cornwall and Devon
Overview:
Mining in Cornwall and Devon, in the southwest of Britain, is thought to have begun in the early-middle Bronze Age with the exploitation of cassiterite. Tin, and later copper, were the most commonly e ...
Overview:
Tin mining began early in the Bronze Age, as bronze is a copper-tin alloy. Tin is a relatively rare element in the Earth's crust, with approximately 2 ppm (parts per million), compared to iron with 50,000 ...
Overview:
Cassiterite is a tin oxide mineral, SnO2. It is generally opaque, but it is translucent in thin crystals. Its luster and multiple crystal faces produce a desirable gem. Cassiterite was the chief tin ore ...