(https://aquariumbg.com/forum/proxy.php?request=http%3A%2F%2Fs1.postimg.cc%2Fh09j7flen%2FDSC_0828.jpg&hash=3dd07e28202369c9722dd88ef872378113345e01) (http://postimage.org/)
(https://aquariumbg.com/forum/proxy.php?request=http%3A%2F%2Fs1.postimg.cc%2F74d1lj50f%2FDSC_0829.jpg&hash=86349319edcb12f9315215ae9538724cf199140f) (http://postimage.org/)
Като сложа парченце от този камък в оцет се чува шуптене.