Kicking myself in the posterior again -- Andalusite becoming very rare in Teófilo Otoni

Does anyone still remember when andalusite was a humble stone, unworthy of great consideration?

Sigh......

Oh! The stones I could have bought for mere centavos a few years ago.

[That was until IBAMA, the Brazilian environmental protection agency, decided to shut down the mine because it was polluting the area.]

To be continued...