Can Anyone Identify these Rough Rocks

We recently bought a mixed box of rocks which contained two rocks we can’t identify, does anyone know what they are please?

In the consignment we also received a huge lump of Labradorite and Blue Aventurine, must be over 8lb each but I haven’t measured and weighted them yet.

Here are the two unidentified specimens:

Please click on the thumbnails to see a larger image

Unknown 1

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Unkonwn 2:

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If anyone can help in identifying these we would be very grateful

Thanks

Dave

2 thoughts on “Can Anyone Identify these Rough Rocks”

  1. If you haven’t solved it already –

    The first of your unknowns looks like part of an ore vein: at a very tentative guess tin or tungsten (+ quartz, fluorite, ?barite)The second looks like a dolomitic marble. The yellow-green mineral may be tremolite – though obviously a photo is not enough for identification. If you’d care to send me a representative chip of each rock, I’ll be happy to try and reach more definite conclusions; I’m a geologist, and I have a Raman spectrometer.

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