Guest Videos: Aquamarine


Aquamarine is a beryllium mineral like bertrandite or beryl, but its chemical formula is slightly different.

Who would suspect that the addition of a little iron or a change in the amount of aluminum would make such a beautiful difference!





More information:

Gemdat.

Wikipedia.

GIC.

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Guest Video: “I Made Iron From A Rock”


This is one of those videos that makes the Internet so worthwhile.

Hope Mom wasn’t planning on using her flour sifter, though.

According to the USGS, most US iron ore comes from Michigan and Minnesota, but a quick look online shows that Utah has enough of it to make it impossible to say just what formation that light-colored sandstone he used came from.


Featured image: Iron furnace, Jeremy Farley, Wythe County, Virginia.