name the rock?

Question

i found a small rock in a forest in England its very sparkly and has a gold colour and is quite heavy for its size. any ideas what it is? or the name of any web sites what could help. many thanx..

Answer 1

a location in england would help a lot
on what you said
the gold mineral could be iron pyrite and the heavy (dense) feel would suggest a high iron content, but that is not the only mineral it could be. does it have a cubic shape (the gold bits) thats a characterising observation for iron pyrite. If it is silvery gold, that also indicate iron pyrite, a more yellow colour means you could have Chalco pyrite, the copper rich pyrite. this is not cubic in shape though. A metallic look will also give a strong indication of pyrite. what size is it, a large crystal/bulk of rock is less likely (in UK) to be pyrite.
is the rock itself gold or minerals within it?
if its a rock that is gold it may be high in mica taht has weathered, although this would be less dense. a flakey appearence would give it away as being mica.

hope this helpos diagnosis

if you want a few pics put in an internet search for some of the names above
if the roc

Answer 2

You have found a rock with a high content of Iron Pyrite - or fools gold.

Answer 3

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Answer 4

It sounds to me like you've found a piece if iron pyrites; a.k.a. fool's gold. Check this out on the net or with any geology / mineralogy reference book.

Answer 5

i think its a rock with a high content of Iron Pyrite - or fools gold.