2006-06-06 23:25:16 · 3 answers · asked by Anonymous in Arts & Humanities ➔ History
The jet is a variety of lignite. From black color shining, it comes of a family from jurasic era trees that were extinguished about 60 million ago years, at the same time that the dinosaures, according to data of the first scientific study on the origin of this fossil of high economic value. Of compact conformation, smooth to the tact, slight and quite hard (between 3 and 4 in the scale of Mohs), it has concoidea fracture and brown ray color dark. It burns producing much smoke, dismissing sometimes fétido bituminous scent and. Its density oscillates between 1.2 and 1.3 gr/cm3. It is a very fragile material, reason why its extraction always has been artisan, being of difficult stature when it is tried to carve figures with abundant details and openworks. This circumstance has equipped to the art with azabachería of little expressive margins. One works with Lima and winch, acquiring by means of a suitable pulimentación an intense brightness that does not decrease with the passage of time. It is formed by a heterogenous mixture of organic carbonáceo material and mineral matter, constituted mainly by vitrinita, organic compound that derives from the lignina, the cellulose and others, present in the plants vasculares with seeds.
2006-06-06 23:46:38 · answer #1 · answered by ngiapapa 4 · 0⤊ 0⤋
Azabache Stone Meaning
2017-01-19 08:38:26 · answer #2 · answered by ? 4 · 0⤊ 0⤋
It is a black little stone that some people believe to be useful to protect babies from "mal de ojo"
2006-06-08 04:45:01 · answer #3 · answered by Anonymous · 0⤊ 0⤋