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Latest Quartz Stories

3D Food Printer Gets A NASA Grant
2013-05-22 04:27:01

According to a report by Quartz, NASA is dishing out $125,000 in grant money to help Anjan Contractor develop a 3D food printer.

2013-01-22 23:02:24

The NSG Precision spectrophotometer cell is the best tool a researcher can rely on for all UV/VIS spectroscopy experiments.

12 Unusual Shaman's Stones Discovered Near Boquete, Panama
2013-01-15 11:20:40

Archaeologists working at the Smithsonian Tropical Research Institute in Panama have discovered a cluster of 12 unusual stones in the back of a small, prehistoric rock-shelter near the town of Boquete.


Latest Quartz Reference Libraries

28_a5eb67134d4fd71497d9b5906bb8a812
2005-05-25 18:55:31

Quartz is the second most abundant mineral in the Earth's crust. It has a hexagonal crystal structure made of trigonal crystallized silica (silicon dioxide, SiO2), with a hardness of 7 on the Mohs scale. Density is 2.6 g/cm³. The typical shape is a six-sided prism that ends in six-sided pyramids, although these are often distorted, or so massive that only part of the shape is apparent from a mined specimen. Additionally a bed is a common form, particularly for varieties such as amethyst,...

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Word of the Day
donative
  • A gift; a largess; a gratuity; a present; a dole.
The word 'donative' comes from a Latin word meaning 'to give'.
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