This specimen of
quartz is
host to crystals of chip
calcite
crystals,
chalcopyrite and several crystals of wurtzite to 0.8 cm across. There are
two crystals of wurtzite included in the
quartz
also.
This specimen of
quartz
has several crystals of wurtzite to 0.5 cm across. There is also what appears
to be an included wurtzite in the long
quartz
crystal.
Origin: Yaogangxian Mine, Hunan Province, China, Asia
Sample size: 5.4 x 3 x 1.7 cm (top), 2.8 x 1.8 x 1.5 cm (2nd/3rd row), 3.2 x
2.3 x 1.8 cm (4th row), 4.6 x 2.3 x 1.7 cm (5th row), 4.7 x 2.6 x 2.3 cm
(6th/7th row), 1.7 x 1.3 x 0.9 cm (8th row), 4.7 x 3.3 x 2.8 cm (9th row), 2.3
x 1.7 x 1.2 cm (10th/11th row), 2.4 x 2 x 1.1 cm (12th/bottom row)