Pyrite-Bearing Calcite Quartz Cluster with custom acrylic display stand 3 sales mercury‑bearing hydrothermal fluids then deposited

mercury‑bearing hydrothermal fluids then deposited cinnabar as thin films on fluorite surfaces

Dimension: 8x5

The crystals are perfectly euhedral with well-developed terminations

Yên Bái Province

Oyón Province

Pyrite-Bearing Calcite Quartz Cluster with custom acrylic display stand 3 sales mercury‑bearing hydrothermal fluids then depositedPyrite Bearing Calcite Quartz Cluster from Erengaobi, Dong Ujimqin Banner, Inner Mongolia, China. This is a high quality columnar quartz aggregate specimen from Erengaobi, Dong Ujimqin Banner, Inner Mongolia. The prismatic quartz host crystals feature complete hexagonal prism faces with smooth, matte drusy silica coatings. Dense rosette shaped calcite overgrowths epitaxially develop along the quartz crystal edges and surfaces; the lamellar calcite