hard rubber, vulcanite, ebonite(noun)
a hard nonresilient rubber formed by vulcanizing natural rubber
A hard rubber made by vulcanization with sulfur; ebonite
hard rubber produced by vulcanizing with a large proportion of sulphur
Vulcanite is a rare copper telluride mineral. The mineral has a metallic luster, and is a green or bronze-yellow shade. It has a hardness between 1 and 2 on the Moh's scale. Its crystal structure is orthorhombic. It is named after the place where it was discovered in 1961, the Good Hope Mine in Vulcan, Gunnison County, Colorado, USA. Small deposits have also been discovered in Japan, Russia, Saudi Arabia, and Norway. It occurs with native tellurium, rickardite, petzite and sylvanite.
The Standard Electrical Dictionary
Vulcanized india rubber which by high proportion of sulphur and proper vulcanization has been made hard. It is sometimes distinguished from ebonite as being comparatively light in color, often a dull red, while ebonite is black. For its electrical properties see Ebonite. Both substances have their defects, in producing surface leakage. Washing with weak ammonia, or with dilute soda solution, followed by distilled water, is recommended for the surface, if there is any trouble with surface leakage. It may also be rubbed over with melted paraffine wax.
The numerical value of vulcanite in Chaldean Numerology is: 7
The numerical value of vulcanite in Pythagorean Numerology is: 8
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