Mineral Specimen

Most gem material must be cut and polished before it reveals its full beauty. But from time to time we find rough stone that is intrinsically beautiful in its natural form. These rare specimens display fine color, luster and transparency without human intervention, and they also exemplify characteristics of crystal growth typical of the particular species.

 

Pink Tanzanite Crystal - 17.08 carats
# TAZ6271JJ
19.30 x 10.80 x 9.26 mm
Unheated, Transparent
$6,500.00
Pink Tanzanite Crystal - 15.10 carats
# TAZ5086JJ
21.14 x 8.74 x 7.83 mm
$4,500.00
Mexican Opal Crystal - 12.77 carats
# OPM5785LK
17.9 x 17.4 x 13.9 mm
Unheated, Translucent
$3,650.00
Pink Tanzanite Crystal - 10.40 carats
# TAZ4116JJ
15.26 x 9.76 x 7.49 mm
Unheated, Transparent
$2,990.00
Tanzanite Crystal - 12.16 carats
# TAZ6451JJ
14.74 x 10.73 x 7.58 mm
Unheated, Transparent
$2,800.00
Pink Tanzanite Crystal - 10.11 carats
# TAZ6093JJ
17.04 x 10.01 x 7.39 mm
Unheated, Transparent
$2,200.00
# TAZ2448RK
20.22 x 5.82 x 5.61 mm
Unheated, Translucent
$1,500.00
Pink Tanzanite Crystal 7.75ct
# TAZ2660HB
20.09 x 5.88 x 6.06 mm
Unheated, Translucent
$1,500.00
Pink Tanzanite Crystal - 9.74 carats
# TAZ4892JJ
15.18 x 3.41 x 7.62 mm
Unheated, Transparent
$1,200.00
Tanzanite Crystal - 7.48 carats
# TAZ8642JJ
14.20 x 8.01 x 6.70 mm
Unheated, Translucent
$1,200.00
Bluish-Green Tanzanite Crystal - 30.60 carats
# MSM3867OR
22.83 x 16.06 x 10.44 mm
Unheated, Translucent
$1,100.00
Tanzanite Crystal - 40.74 carats
# MSM1007SR
30.00 x 14.35 x 10.96 mm
Unheated, Translucent
$965.00
Bicolor Tanzanite Crystal - 44.13 carats
# MSM1679SR
32.00 x 15.31 x 9.84 mm
Unheated, Translucent
$950.00
Pink Tanzanite Crystal - 8.01 carats
# TAZ5927JJ
19.79 x 7.48 x 5.73 mm
Unheated, Transparent
$900.00
Sapphire Specimen - 44.62 carats
# MSM2854RK
34.00 x 16.64 x 11.32 mm
Unheated, Translucent
$800.00
Alexandrite Specimen - 25.20 carats
# MSM5833SR
15.51 x 15.53 x 14.5 mm
Unheated, Translucent
$698.00
Apophyllite and Stilbite - 92.36 Grams
# MSM6020WD
5 x 6 cm
Untreated, Translucent
$685.00
Tanzanite Crystal - 33.34 carats
# MSM9259BZ
28.00 x 19.56 x 9.56 mm
Heat only, Translucent
$636.00
Canvansiet and Heulandrite - 126.20 Grams
# MSM7240WD
5 x 6.5 cm
Untreated, Translucent
$580.00
Sapphire Specimen - 9.84 carats
# MSM2711RK
19.72 x 8.45 x 6.80 mm
Unheated, Translucent
$525.00
Apophyllite and Stilbite - 335.80 Grams
# MSM7085WD
10.50 x 10 cm
Untreated, Translucent
$480.00

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