1. The wolframite is scattered extremely thinly throughout the granite.

2. The black pearl mine, Arizona; Wolframite veins and stockscheider pegmatite related to an Albitic stock

3. The dynamic behaviours of homogenous materials, such as quartz, calcite and wolframite in grinding mills are examined.

4. The strong silicified rock is a product of metamorphism and siliceous metasomatism of granite genetically correlated with Pangushan wolframite deposit.