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Fulminating gold – a number of gold based explosives which "fulminate", or detonate easily. – gold hydrazide, formed by adding ammonia to the auric hydroxide. When dry, can explode on concussion. – an unstable gold carbonate formed by precipitation by potash from gold dissolved in aqua regia. Galena – lead(II) sulfide. Lead ore.
[1] [4] [5] [n 1] Common aims were chrysopoeia, the transmutation of "base metals" (e.g., lead) into "noble metals" (particularly gold); [1] the creation of an elixir of immortality; [1] and the creation of panaceas able to cure any disease. [6] The perfection of the human body and soul was thought to result from the alchemical magnum opus ...
While many jewelry- and watch-makers claim their product contains "Moon dust", the products only contain pieces of, or dust from, meteorites believed to have originated from the Moon. On 11 September 2020, NASA announced that it is willing to create a market for lunar regolith by calling for proposals to purchase it from commercial suppliers ...
Prince Rupert's drops. Prince Rupert's drops (also known as Dutch tears or Batavian tears) [1] [2] are toughened glass beads created by dripping molten glass into cold water, which causes it to solidify into a tadpole-shaped droplet with a long, thin tail.
In places this covering is made up of material originating through rock-weathering or plant growth in situ. In other instances it is of fragmental and more or less decomposed matter drifted by wind, water or ice from other sources. This entire mantle of unconsolidated material, whatever its nature or origin, it is proposed to call the regolith. [7]
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A natural material is any product or physical matter that comes from plants, animals, or the ground which is not man-made. [1] [2] Minerals and the metals that can be extracted from them (without further modification) are also considered to belong into this category. Natural materials are used as building materials and clothing. Types include:
The dress was meant to evoke passing time, made more obvious by her hourglass handbag. The South African singer explained told Vogue how her dress is in line the with the evening's " Garden of ...