|Dimensions (mm)||not provided|
|Weight (carats)||not provided|
|Ring Size||8 US|
TOP GRADE" A "MATERIAL
This is a natural well polished pendant from a volcanoe in Indonesia set in silver. This material is top grade as it has a good fire of orange in it.This is a recent find and supplies are limited.
Silver stamped 925
Weight of stone 12.40 cts app
Weight of silver used 5.67 grams app
Size of stone 21 x 13 mm app
Ring Size : 8 USA
Total Weight: 40.75 cts.
Table of Ring Sizes:
Our jewelery manafacturing is contracted out to one factory in asia where i supply both the silver and stones to be set.This gives me control of the quality of both the silver and stones.
I selected these stones from a large parcel on my last trip to Bali-there are some stunning patterns in it.
This stone is the product of hydrothermal deposit at the mouth of a semi annually drowned volcanic vent. Its a mixture of high levels of silica in the form of primarily opal and acidic solutions that dissolve the wall rock of the volcano, as well as percolating sulfur out of the belching still active fumarole, as well as other minerals. These have been depositing for a few hundred thousand years at this high mountains vent. It is then essentially opalized and silicated sulfur as well. Mine source adds that as many as 15 other mineral traces color the blend in the gorgeous plumes you see within these crazy pretty cabs
Jasper, a form of chalcedony,is an opaque, impure variety of silica, usually red, yellow, brown or green in color. Blue is rare. This minerl breaks with a smooth surface, and is used for ornamentation or as a gemstone. It can be highly polished and is used for vases, seals, and at one time for snuff boxes. When the colors are in stripes or bands, it is called striped or banded jasper. Jaspilite is a banded iron formation rock that often has distinctive bands of jasper.Jasper is basically chert which owes its red color to iron inclusions
often contains organic material and mineral oxides which give it interesting patterns, bands and colors. Many of these patterns resemble landscapes with mountains and valleys, thus the name "picture" is part of the name of many well know jaspers.
Jasper was a favorite gem in ancient times and is referenced in Greek, Hebrew, Assyrian and Latin literature.
Found worldwide, a wide variety of named jaspers is found in the western areas of the Unites States; California, Oregon, Idaho, Utah, Wyoming and Washington.
Picture jasper is a petrified or silicated mud that dripped into gas pockets in molten lava. It became superheated and then solidified forming the unusual banded patterns which are typical of this stone.
|Starts||12th Feb 2013 10:06pm PST|
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