Photo Library is Read/Write Protected. for other Products ,so you need to use an Alias of your Masters Photo Library.Please refer Finding Duplicate Images In Your Lightroom Catalog | Lightroom Fanatic and Finding Duplicate Photos in Lightroom and let us know if that helps.
What does this mean:
after unduplicating I have 48.000 pictures over, duplicted 80.000>.
Powerphotos marks photos, then one must do something in Photos.app to actually delete them. Once deleted in Photos.app, they are actually marked for deletion, but still present in the album "recently deleted." Did you take steps to delete those? Otherwise Photos holds on to them for a designated time. I'm not sure how Gemini works, but you've still got the deletion issue in Photos.app.
And are you saying you took the Masters folder in your Photos.app library, and dropped that on Lr to import it? It seems as if you have a managed Photos library, not a referenced one. If so, if Masters is in the library, then it is not advisable to have Lr reference it there. That could produce undesirable results in both Lr and Photos. You should copy it out to say ~/Pictures first. Note "copy." And then import THOSE images into Lr. You could take the advice to use an alias, but I wouldn't recommend it, since it is very easy to make mistakes if you continue to use both applications. Moving a file within that library eg will cause Photos to lose it, eg.
Note that this just imports the images into Lr. Any added metadata, like keywords, descriptions, location, ratings, etc will not import to Lr since that info is still stored in Photos.app. The only way to get that out is to EXPORT the images from Photos.app, including the metadata, and then importing into Lr. And although that can transfer metadata, it doesn't include image adjustments if you export as "original" since that's the unchanged "original" image. You could also export the adjusted image as well though.
I have allready gathered from all different sources my photo's. Then I unduplicated them. This all went well. Finally all the pictures I imported in Photo, the well known authentic Mac software app that replaced Iphoto. There I unduplicated again with "powerphoto's". This succeeded well, I deleted the files (powershot nonkeepers it is called, then they still are available in "Recently deleted" this I deleted as well. Checking my whole database in Photo pointed out that the whole setup worked. All this I did to be able to start all over again with all my pictures in Lightroom 6.4. This was the beginning of my goal. As 80% of my pictures were allready in Photo this was obvious my basis.
Now while importing into Lightroom I encounter all pictures incl. the deleted files. This I do not understand......
thank you for your response...
See my message to Akash which contains exactly what I did.
Importing through "plug in" options within Lightroom 6.4 does not work either. It does not recognise it says "version information about image can not be picked up out of the iphoto library" (it is translated from dutch)
What folder did you import into Lr?
And I'd suggest you find the duplicate in Lr, note the filename, and then search within the Photos Library to see if you have more than one instance of that photo. You can't use Spotlight; you'd have to use another utility like Easy Find.
But you're right; if you permanently deleted them from the "recently deleted" album they should be in the Trash; you could confirm that as well.
And use "Show in Finder" on suspected duplicate images in Lr to see where the duplicate is stored; that should also give you a clue why it didn't work.
I think it worked. My macbook took a few hours to no show the deleted pictures anymore. Hardware is not as fast if it comes to big data....
Thank you very much for taking the time to read my problem and respond accurate!