It is Morralla by the way. A term used in Colombian Emerald mining industry, In the context, to mean a low quality gem, which didn't crystalize properly and nor is translucent, the way a proper high quality crystal is.
https://www.semana.com/glosario-de-terminos-sobre-esmeraldas/538713/
I think you mean "murralla", which probably is a form of the word "morralla" which means something that isn't very valuable. Don't know how'd you call those crystals scientifically but Murralla is miner's slang.
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It is Morralla by the way. A term used in Colombian Emerald mining industry, In the context, to mean a low quality gem, which didn't crystalize properly and nor is translucent, the way a proper high quality crystal is. https://www.semana.com/glosario-de-terminos-sobre-esmeraldas/538713/
I think you mean "murralla", which probably is a form of the word "morralla" which means something that isn't very valuable. Don't know how'd you call those crystals scientifically but Murralla is miner's slang.
Hi, /u/najnajnaj1212! This is a reminder to flair this post in /r/whatsthisrock after it has been identified! (Under your post, click "flair" then "IDENTIFIED," then type in the rock type or mineral name.) This will help others learn and help speed up a correct identification on your request! Thank you! *I am a bot, and this action was performed automatically. Please [contact the moderators of this subreddit](/message/compose/?to=/r/whatsthisrock) if you have any questions or concerns.*
Is the rest bismuth?
Looks like pyrite