Have you ever seen quartz stone closely?
which minerals are most often associated with this rock in the quartz mine?
How to find mineral veins?
QGS’s professional activities started in the field of quality management and improvement systems since 1996. Three years later, in 1999, by forming a company under submission No: 1311 and the establishment license of engineering services division by No: 5548/123; Officially, QGS extended its activities in the following fields: research training, management systems consulting, operation design and commissioning, financial consulting and marketing.
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