If the raw rock salt be fnsed on the hearth of a furnace ... or allowed to cool slowly. A mass of crystals, more or less transparent, according to the rapidity of the cooling, is so obtained ...

Raw gemstone jewellery is becoming increasingly ... Whether for fashion, healing, or both, these natural crystals can become staple trends in the modern fashion outlook. For more news like this ...

TOKYO -- Japanese researchers have identified sodium carbonates, or salt crystals, in samples from the Ryugu asteroid brought back to Earth by the Hayabusa2 space probe. The findings, published in ...