This is a fine work of stoning, the stone is slotted on the side and a thick square sterling silver wire has been inserted into the slot to set the stone.
This makes the assembling is very safe and allows the stone to be displayed in full.
Light is the great sorceress of gems, obsidian must be seen in full sun so that the stone shows all its beauty.
Metal: Sterling silver
The measure of the stone, without counting the silver is:31 x 20 x 8 mm.
The total weight: 10.1 grams
Note:
If the Obsidian does not give direct sunlight, it is black.
Artificial light does not show true colors well, only sunlight does.