|
The most prized of these flashy gems are the black ones, the actual colors can vary, from New South Wales, Australia |
an opal
DD
|
$4,000 |
DJ |
GEMS & JEWELRY |
2021-04-15 |
#8379 |
|
Light hitting layers of silica causes the brilliant colors of this gem, including the boulder type |
the opal
|
$1,000 |
J |
PRECIOUS GEMS |
2017-03-16 |
#7489 |
|
The most prized of these fiery gems are the black ones found in New South Wales, Australia |
an opal
|
$1,000 |
J |
GEMS & JEWELRY |
2010-03-03 |
#5868 |
|
This October birthstone often has a white background but displays a lot of colors in bright light |
an opal
|
$1,000 |
J |
GEMS |
2008-06-25 |
#5493 |
|
The fire type of this gem is red; the prase, green |
an opal
|
$600 |
DJ |
GEMS & JEWELRY |
1996-05-15 |
#2708 |
|
This gemstone that comes in fire & black varieties is a variety of the mineral Cristobalite |
an opal
|
$200 |
J |
GEMS & JEWELRY |
1994-06-27 |
#2276 |
|
An English art critic said this gem "shows the most glorious colors to be seen in the world..." |
the opal
|
$1,000 |
DJ |
GEMS & JEWELRY |
1993-06-28 |
#2046 |
|
The harlequin type of this gem is characterized by angular patches of fire |
an opal
|
$600 |
DJ |
GEMS |
1992-11-20 |
#1890 |
|
If the water in this October gem dries out, the rainbow colors will disappear |
the opal
DD
|
$1,000 |
DJ |
GEMS |
1992-01-08 |
#1698 |
|
Mexico is a major source of the "fire" type of these gems |
an opal
|
$800 |
DJ |
GEMS |
1991-12-25 |
#1688 |
|
The Lightning Ridge deposit in Australia has largest source of this iridescent "black" stone |
the opal
|
$500 |
J |
GEMS |
1986-09-30 |
#472 |