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Op 31-5-2021 om 11:45 schreef Dave Blandston:
> Thomas de Groot <tho### [at] degroot org> wrote:
>> Interesting you say that and thanks for this info. When I searched
>> them that were not operational any more (the majority, but over a long
>> time period of a century or so). Looking also at the geological maps,
>> depletion is very probable for many of them indeed. The mentioned
>> granite is a very local occurrence I guess, only available around
>
> The topic arose because I was asking about availability of "Verde Oceano." It
> may not be a true granite but it's amazingly beautiful - lots of iridescence. It
> looks like an underwater scene complete with brightly colored tropical fish.
> Photos are totally insufficient. Adding that to your granite project would be
> quite a task (maybe for the next granite update sometime around 2050), but lots
> of granites do have iridescence - or at least stones that are being sold as
> granite whatever they might actually be...
>
Aha! a larvikite! also monzonite granitoid, and a beautiful one indeed,
very often used in the front walls of prestigious shops or offices.
--
Thomas
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