Jan 3, 2017 10:14
7 yrs ago
German term

nach [001] gestreckten Diasporkristallen

German to English Science Geology Minerals
Summary of an academic paper from Swiss German into English regarding the oriented intergrowth of diaspore and corundum crystals.

This structure appears a few times within the text as follows:

In dem Dolomitmarmor vorkommende Korundkristalle sind manchmal von den nach [001]gestreckten Diasporkristallen orientiert umwachsen.

It's the word 'nach' I'm having issues with and so far have translated the sentence as:

Corundum crystals occurring in dolimitic marble are sometimes intergrown orientedly by the elongated diasporic crystals **nach** [001].

Unless I'm completely off-track, I believe the [001] is the crystal cleavage. I'm really not sure what to use here, any help would be much appreciated. Thanks.

Discussion

CF1 (X) (asker) Jan 3, 2017:
Great - thanks, and yes, that translation sounds perfect. I love a bit of teamwork with translation!
Teangacha (X) Jan 3, 2017:
Yes, you definitely seem to be on the right track. The miller index seems appropriate. And Steffen's translation, just now, sounds good. WOW! The amount one learns, and is introduced to, while translating - really interesting stuff!
Steffen Walter Jan 3, 2017:
Compelling evidence, I'd say Hence, 'nach [001] gestreckte Diasporkristalle' seems to be equivalent to 'diaspore crystals elongated in the [001] direction'.
CF1 (X) (asker) Jan 3, 2017:
Thanks to both of you. I've now found this source which seems to back-up both your suggestions: https://books.google.co.uk/books?id=2GLGx6A0d0UC&pg=PA556&lp...
Steffen Walter Jan 3, 2017:
Yes, ... ... I tend to agree with this reasoning.
CF1 (X) (asker) Jan 3, 2017:
I don't think it's a reference to something shown as there are only four illustrations (Abb. 1 usw). I think it's Miller Indices: https://en.wikipedia.org/wiki/Cleavage_(crystal)#Parting

I did originally have 'towards' and I am now wondering if it is 'in the direction of' as the following structure also appears quite a lot: ...und die Richtung [0001] des Korundes ist mit der Richtung [100] des Diaspors gemeinsam. Would you agree with my thinking?
Teangacha (X) Jan 3, 2017:
'Oriented diaspore intergrowth is also seen in corundum.'
Teangacha (X) Jan 3, 2017:
I have also seen references to 'oriented intergrowth' of example diaspore crystals within corundum, so I think 'elongated' refers to the diaspore crystal itself.
Teangacha (X) Jan 3, 2017:
Corundum from Prilep — PalaMinerals
m.palaminerals.com/prilep/
In figure 5: typical morphology of corundum crystals from the Prilep marble - [0001] = pinacoid. Maybe the number is referring to some section of a specific diagram, as Steffen has said, or to a wellknown example.
Steffen Walter Jan 3, 2017:
Towards I tend to think that the diasporic crystals are elongated towards/in the direction of [001], whatever that is.
Steffen Walter Jan 3, 2017:
[001] [001] seems to be a reference to something shown in a picture or drawing. Have you got any further information to this effect?
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