• Quartz - Wikipedia

    Fibrous gold to red-brown colored quartz ... Some rose quartz contains microscopic rutile ... both vein quartz and rock crystal were knapped as ...

  • The Quartz Page: Occurrence

    Quartz as a Rock-Forming ... Should a rock that contains old large quartz veins have been folded later ... In quartz, this mode of occurrence is not so common and ...

  • Quartz-porphyry - Wikipedia

    Quartz-porphyry, in layman's terms, is a type of volcanic rock containing large porphyritic crystals of quartz. These rocks are classified as hemi-crystalline acid rocks

  • Gold in Quartz

    Gold ~in~ Quartz Gold Bearing Quartz is one of the world's rarest forms of natural gold. It is found underground by hard rock ... quartz contains a rare gold ...

  • How to Test a Rock for Gold | Sciencing

    This type of gold may even have quartz or other mineral material still attached to it. ... Keep in mind that many rocks contain gold ... "How to Test a Rock for Gold."

  • Vein (geology) - Wikipedia

    A quartz vein, prominent from the ... and/or the rock in which the vein is hosted. Gold ... of the presence of metasomatism of the wall-rocks which contains the low ...

  • slate rock containing gold - BINQ Mining

    > Crusher and Mill > slate rock containing gold; Print. slate rock containing gold. Posted at:February 1, 2013[ 4.8 - 1978 Ratings] ... Photos of gold ores, quartz, ...

  • How to Find Gold in Quartz | Sciencing

    Look for gold and gold-containing quartz rocks in areas where volcanic hydrothermal activity has taken place in the ... "How to Find Gold in Quartz." Sciencing, ...

  • GOLD - SBS Radio

    Pale gold containing more than 20 per cent silver ... Veins and reefs of gold-bearing quartz can occur in many types of rock, for example around granites, ...