Huanggang Mine, Chifeng, Inner Mongolia, China - Large terminated genthelvite crystal of 1.5 cm on the edge with minor magnetite and calcite

Huanggang Mine, Chifeng, Inner Mongolia, China - Nice brown twinned genthelvite crystals  up to 0.9 cm on ludwigite and magnetite. Overalll size is 3x2x1.5 cm

Huanggang Mine, Chifeng, Inner Mongolia, China - On  matrix of magnetite there is a nice coating of 3-6 mm quartz crystals and on these and among these quartz crystals there is a nice cluster of 0.2-0.5 cm genthelvite crystals ! Nice specimen of 5x3.5x2.2 cm

Huanggang Mine, Chifeng, Inner Mongolia, China - The small piece of matrix of is composed by magnetite and calcite. There is a cluster of genthelvite crystals that is composed by 2 main genthelvite having a common base ! The cluster looks like being biterminated and with a rombohedric shape. The whole measures 1.4x0.7 cm and show a nice brown color with some qurtz coating of tiny crystals. Overall size is 1.8x1.7x1.6 cm

Huanggang Mine, Chifeng, Inner Mongolia, China - Nice cluster of genthelvite crystals on magnetite ! There are almost a dozen crystals of genthelvite up to the size of 0.5 cm on the edge ! Very nice specimen. Overall size is 1.9 x 1.4 x 1.2 cm

Huanggang Mine, Chifeng, Inner Mongolia, China - Nice cluster of genthelvite crystals. There are half a dozen crystals all combined and mixed all together on a small matrix. Very nice thumbnail ! Overall size is 1.1 x 1.1 x 0.9 cm