Staurolite: The Faerie's Tears

I recently went shopping for crystals, and ended up buying a nice staurolite specimen - just because of its rumours of good luck, fortune, and protection. I also know that 4 American presidents, including Roosevelt, carried this staurolite around for its metaphysical properties.

The lady who sold the stone to me pointed out that it is a soft stone; and, if you scrape it, the dust that comes off the stone will attract Faeries. Reading in my reference book and online, I come across stories that declare the stone to be crystallized tears of Faeries, which is why scrapings attract Faeries.

This stone naturally forms in two intersected pieces, usually, within a matrix. I am wondering...
What are you personal experiences with this stone; what do you use it for; if you own it, why did you buy it; have you had any faerie encounters while carrying/using staurolite?