Amber Black: crystalline composition: colorless gelling ingredients: organic materials different degree of hardness: 2.5 specific gravity: 1.33 refractive index: 1.64-1.68 double refraction: No flashing: velvety to the waxy
Organic black amber, which represents coal residue wood submerged in stagnant water millions of years ago. Subsequently consolidated by pressure and muzzle burial. It is black or brown Duck, but it may contain impurities of pyrite her coppery color and metallic luster. If you have been burned or touched by a hot needle out of it the smell of coal characteristics. • presence: Evidence indicates that the jet was mined since 1400 BC. Are shipped cut busy and studded black amber to Rome has been found to cut busy amber in underlying pre-history and during the Roman occupation of the British Isles. Perhaps the most important historical source is a city in Yorkshire, England, which is the main source of each jet which was used in mourning since the nineteenth century and during this period, the amber extraction and processing is the main source of revenue for the city. Amber Also in Spain, France, Germany, Poland, India, Turkey and the former Soviet Union. China and the United States of America.
