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Identity HelpI found this piece of Silver on the mineral quiz, and I was curious as to what these green splotches might be. Could anyone help identify it?

25th Mar 2024 16:02 UTCLalith Aditya Senthil Kumar

The matrix is either quartz or calcite, and I think it might be from the Keweenawan Peninsula.

-Thank you, Lalith

Questions Answered
Can it scratch glass? : Unable to test
Can you scratch it with your fingernail? : Unable to test
Is it light/heavy for the size? : Unable to test

27th Mar 2024 21:12 UTCRob Woodside 🌟 Manager

The green may be Annabergite and the piece possibly from Cobalt, Ontario.

27th Mar 2024 23:44 UTCLalith Aditya Senthil Kumar

Thank you.

28th Mar 2024 07:25 UTCPaul De Bondt Manager

Could be a silver specimen from the thirth oxidation zone of the Tsumeb mine.

Then the association was with malachite and zincolivenite.

But the picture is so blurry that I can not be sure at 100%.

Keep safe.

28th Mar 2024 08:48 UTCLukáš Křesina

Paul De Bondt is right, this specimen is actually from Tsumeb. Green mineral is marked as cuprian adamite. For more info see:

Silver - MD-18712 - Tsumeb Mine (Tsumcorp Mine) - Namibia Mineral Specimen (irocks.com)

28th Mar 2024 12:35 UTCKevin Conroy Manager

I think that it's odd that the specimen was on the mineral quiz, but it doesn't seem to be in the Tsumeb gallery. A link to the Mindat photo should have been provided from the start.

30th Mar 2024 18:41 UTCJacob Beckham

Silver

Tsumeb Mine (Ongopolo Mine), Tsumeb, Oshikoto Region, Namibia

It would be this photo, just for reference.

29th Mar 2024 13:20 UTCPaul De Bondt Manager

Specimens in the user gallery should not appear in the mineral quiz.

If they are there, it is for a reason and in most cases, it's because they are blurry.

Keep safe.