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Author Topic: crystal  (Read 679 times)

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Offline mcbain

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crystal
« on: February 06, 2019, 09:45:55 PM »
Hi.Guys a bismuth crystal.DSCF0793.JPG
I started out with nothing Istill have most of it.

Offline sunshine

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Re: crystal
« Reply #1 on: February 07, 2019, 09:45:33 AM »
It sure looks like bismuth.  I find some when metal detecting for silver.  I like the look of it.
See my YouTube channel for fun amateur video:
https://www.youtube.com/channel/UCnz8kX6AZOeZbRt0F9XqVJA

Offline mcbain

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Re: crystal
« Reply #2 on: February 07, 2019, 07:36:08 PM »
Hi.Grieg  sorry for the poor pic.The crystal is actually man made.It is a result of what some geology students were playing with at UBC.Just for fun.This one is bismuth powder and some iron powder mixed and melted in a kiln.The crystals formby themselves.The guy that gave me this has a box full of different crystals all made using different metals,Bismuth being the main ingredient.They made many using most base metals and each mix forms a different type or shape of crystals.They got it down to where they can pretty much know the mineral content of these crystals when they find them in the field. just by the different colours.I found it to be quite interesting.Luck Mark.
I started out with nothing Istill have most of it.

Offline sunshine

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Re: crystal
« Reply #3 on: February 11, 2019, 03:17:31 PM »
Sounds like a university course that I should have taken.  It would have been way more interesting and useful than economics.   Not once have I been asked since university to calculate the elasticity of demand for any product.  LOL
See my YouTube channel for fun amateur video:
https://www.youtube.com/channel/UCnz8kX6AZOeZbRt0F9XqVJA

 


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