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Geology/rock identification

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Question
rock
rock  
QUESTION: I found this metalic rock but i dont know what it is

ANSWER: It looks to me that it might have some pyrite grains. Are you sure it doesn't have mica flakes. Give more specific criteria. Like density, hardness, streak color, shape of crystals.

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pyrite
pyrite  

pyrrhotite
pyrrhotite  
QUESTION: Yes i think i found Sulfide vein (pyrite,Pyrrhotite) , i have some information that it is high grade gold ore but i dont know any method to recover gold from that ore, can you help me?

Answer
It looks to be that your sample also has some Galena (PbS).
One method I know for recovering gold is using "Aqua Regia". This is a mixture of several acids which can dissolve gold from the sulfide minerals. Nevertheless I don't know the exact method.

Geology

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Meisam Rasouli Beirami

Expertise

Magmatic Ore deposits; Igneous Rocks; Uranium Ore Deposits; Mississippi Valley Type (MVT) Deposits; Remote Sensing; Satellite Imagery Processing;

Experience

I have done a thesis on magmatic uranium deposits. I ma currently working on MVT ore deposits and their exploration via satellite imagery.

Organizations
Shiraz University, Shiraz, Iran Golestan University, Gorgan, Iran

Education/Credentials
Bachelor's degree of geology: Tehran university, Iran. MSc of economic geology: Gorgan university, Iran. PhD student of economic geology: Shiraz university, Iran.

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