Black Opal

Pioneer Gem Home Page

Natural Black Opal Solids - NOT Doublets or triplets - - from the Mintabie Region in Australia.

These are very lively, fiery, vibrant colors. True GEMSTONES in the strictest sense of the word.



Size Shape Approx. Weight Price Each
6x4 mm OV 0.30 cts $18.00
7x5 mm OV 0.50 cts 30.00
8x6 mm  OV 0.75 cts 45.00
6x4 mm PS 0.25 cts 15.00
7x5 mm PS 0.40 cts 24.00
8x5 mm PS 0.60 cts 36.00
6x3 mm MQ 0.15 cts 9.00
8x4 mm MQ 0.35 cts 21.00

OV = Oval PS = Pearshape   MQ = Marquise


Individual Gemstones (ONE OF A KIND)

Size   Shape Approx.
11.2x9.1 mm OV 1.95 cts 390.00 G-GNB
15.0x10.0 mm OV 2.30 cts 690.00 G-BGNH
14.0x8.0 mm OV 2.60 cts 260.00 BL-B
11.7x10.0 mm OV 3.73 cts 373.00 G-BGN
14.8x10.6 mm OV 5.02 cts 502.00 BL-B
14.4x11.3 mm OV 5.20 cts 520.00 BL-B
15.3x11.8 mm OV 6.39 cts 1,278.00 BL-B
28.5x22.5 mm OV 24.87 cts 4,974.00 G-GNBH
10.0x5.0 mm MQ 0.50 cts 50.00 G-RYGNB
9.5x5.2 mm PS 0.50 cts 50.00 G-BGN


G = Gray   B = Blue   R = Red Y = Yellow   GN = Green   BL = Black H = Exceptional Stones


OPAL, BLACK, OV, 0.50 cts, 7.0x5.0 mm - Gorgeous little Mintabie, Australia GEM with an intense Blue Green Broadflash pattern of color

OPAL, BLACK, OV, 0.80 cts, 9.0x7.0 mm - Mintabie Black Gem - Bright Blue Green Flashes - Nice $160/Stone  
OPAL, BLACK, OV, 0.90 cts, 9.0x7.0mm - Mintabie Dark Gray/Green Gem - Pinfire Flashes of Color $90/Stone  
OPAL, BLACK, OV, 1.00 cts, 9.0x7.0 mm - Mintabie Dark Gray base color with OUTSTANDING bright Red and Green flashes. The nicest one of these we have had in a LONG TIME .... WOW $300/Stone
OPAL, BLACK, OV,1.05 cts, 9.2x7.2 mm - Light Gray Beauty - Every Color of Rainbow Flashes - Beautiful - Exceptional $315/Stone
OPAL, BLACK, OV, 1.33 cts 9.5x7.2 mm - Outstanding Mintabie Black Gem - Very Brright - Blue Green Flashes - Pretty $266/Stone
OPAL, BLACK, OV, 2.09 cts cts 10.0x 8.0 mm - Outstanding Bright Green Flashes - Mintabie Gray Black $418/Stone
OPAL, BLACK, OV, 2.09 cts, 10.0x8.0 mm - Red, Orange, Yellow Pinfire and Flash - Mintabie Gray Black $418/Stone
OPAL, BLACK, OV, 2.10 cts 10.0x8.0 mm - Gray Mintabie Gem with Braight Green Flash 2 Pinfire - Nice $420/Stone
OPAL, BLACK, OV, 2.88 cts 13x10.0 mm - Lightning Ridge Dark Royal Blue Black Opal - Nice $288/Stone
OPAL, BLACK, OV, 3.80 cts, 13.1x 11.0 mm - Mintabie Light Gray/Black Opal - Intense Red/Orange Fire - They don't get any nicer then this $760/Stone
OPAL, BLACK, OV, 5.43 cts, 14.9x10.4 mm - Lightning Ridge Gem with Blue/Green Fire on Dark Gray Black Base Color - Nice example from a rare Australian location - that historically produced some outstanding Opal  $810/Stone
OPAL, BLACK,OV, 8.08 cts, 18.1x 12.7 mm - Mintabie Light Gray/Black Opal - Gorgeous Red/Orange Pin-Fire Pattern - Caneasily be set into 18/13 Standard Head $808/Stone
OPAL, BLACK, OV, 24.87 cts, 28.0x22.5 mm - Gray Base color with OUTSTANDING "Brilliant" FLASHES of Blue and Green (mostly green) - This stone is AWESOME and will make a Gorgeous Pendant. Make us an offer if price is too high for you $4,974/Stone
OPAL, BLACK, OV, 34.36 cts, 26.5x20.3 mm - Honey Gray Base Color with full play of colors present - Red/Orange predominates - Probable Brazilian Gem from the 1970's - Will make an outrageous pendant for that special someone $6,872/Stone
OPAL, BLACK, MQ, 1.12cts, 12.0x6.0mm - Bright Green Flashes - A Beautiful Mintabie Gem $112/Stone


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