| |||||||
Another update of Nigerain Spinel crystals that have fantastic blue coloration. They don't get large but the color saturation is outstanding. These also have a high Zinc content. Analyses has shown them to be 94% Gahnite (ZnAl2O4), the zinc rich member of the Spinel group. 2024-03-28 09:13:20 (PDT): Warning: Cannot modify header information - headers already sent by (output started at /mnt/vol-01b7ce02a4fa81bb8/data/mm/www.marinmineral.com/navbar.php:403): /mnt/vol-01b7ce02a4fa81bb8/data/mm/www.marinmineral.com/s_present.php: line 39
J103 - Spinel $ 150 (=~ € 137) SOLD Kagoro, Kaduna State, Nigeria thumbnail - 0.7 x 0.7 x 0.6 cm Single octahedral crystal of cobalt blue Spinel. Chipping along one edge, otherwise a perfect octahedron with slight edge wear. Translucent to transparent crystal.
J104 - Spinel $ 180 (=~ € 164) SOLD Kagoro, Kaduna State, Nigeria thumbnail - 0.8 x 0.7 x 0.7 cm Single octahedral crystal of cobalt blue Spinel. Chipping along two edges, otherwise a perfect octahedron with slight edge wear. Translucent to transparent crystal.
J107 - Spinel $ 180 (=~ € 164) SOLD Kagoro, Kaduna State, Nigeria thumbnail - 0.5 x 0.5 x 0.5 cm Single octahedral crystal of cobalt blue Spinel. Tiny chip on one tip, otherwise a perfect octahedron with slight edge wear. Transparent crystal of facet quality.
J110 - Spinel $ 175 (=~ € 160) SOLD Kagoro, Kaduna State, Nigeria thumbnail - 0.6 x 0.6 x 0.6 cm Single octahedral crystal of cobalt blue Spinel. Chipping on two tips, otherwise a perfect octahedron with slight edge wear. Good transparency.
J111 - Spinel $ 300 (=~ € 274) SOLD Kagoro, Kaduna State, Nigeria thumbnail - 0.9 x 0.9 x 0.7 cm Single octahedral crystal of cobalt blue Spinel. Damage to one tip, otherwise a perfect octahedron with slight edge wear. Great color and transparency to this one.
J113 - Spinel $ 160 (=~ € 146) SOLD Kagoro, Kaduna State, Nigeria thumbnail - 0.8 x 0.8 x 0.6 cm Single octahedral crystal of cobalt blue Spinel. Though two tips are damaged, it has very little edge wear and good surface luster. Translucent to transparent crystal.
J115 - Spinel $ 190 (=~ € 174) SOLD Kagoro, Kaduna State, Nigeria thumbnail - 0.7 x 0.7 x 0.7 cm Single octahedral crystal of cobalt blue Spinel. Damage to two tips but little edge wear and good transparency.
J116 - Spinel $ 175 (=~ € 160) SOLD Kagoro, Kaduna State, Nigeria thumbnail - 0.8 x 0.7 x 0.7 cm Single octahedral crystal of cobalt blue Spinel. Chipping on two tips, otherwise a perfect octahedron with slight edge wear. Translucent to transparent crystal.
J118 - Spinel $ 140 (=~ € 128) SOLD Kagoro, Kaduna State, Nigeria thumbnail - 0.7 x 0.7 x 0.6 cm Single octahedral crystal of cobalt blue Spinel. Chipping on two tips, otherwise a perfect octahedron with slight edge wear. Translucent to transparent crystal. ©2010-2018 Marin Mineral |