Locality - Madagascar
Size – 45 x 31 x 24mm
Weight – 39g
This quartz features pretty, metallic blood red hematite flakes in its terminated points, wispy white internal clouds and silvery reflective veils within, some of which display small but vivid rainbows in good lighting. It is a highly aesthetic crystal that has been expertly shaped to a double terminated form, and polished to a high lustre with some natural surfaces intact below the polish line.
Quartz is the most common mineral found on the surface of the Earth, occurring in virtually every locality. Pure crystals are colourless, transparent and hard, though many are coloured by natural processes such as irradiation or by the presence of certain elements within them. These coloured varieties include the popular gemstones amethyst, purple quartz, and citrine, yellow quartz. Some quartz crystals have unique inclusions of minerals that have grown within them, such as golden rutile, tourmaline or chlorite, and others may show silvery reflective internal veils and bright rainbows. Whilst the majority of quartz is created from molten magma that has cooled and crystallized, much quartz also chemically precipitates from hot hydrothermal veins. Well-formed crystals deep within the Earth can reach colossal sizes, with some measuring several meters in length and weighing hundreds of kilograms.