platinum and gold. I thought, what riches are here buried at an unapproachable depth in the earth, hidden forever from the covetous eyes of the human race! These treasures have been buried at such a profound depth by the convulsions of primeval times that they run no chance of ever being molested by the pickaxe or the spade.
To the schists succeeded gneiss, partially stratified, remarkable for the parallelism and regularity of its lamina, then mica schists, laid in large plates or flakes, revealing their lamellated structure by the sparkle of the white shining mica.
The light from our apparatus, reflected from the small facets of quartz, shot sparkling rays at every angle, and I seemed to be moving through a diamond, within which the quickly darting rays broke across each other in a thousand flashing coruscations.
About six o’clock this brilliant fête of illuminations underwent a sensible abatement of splendour, then almost ceased. The walls assumed a crystallised though sombre appearance; mica was more closely mingled with the feldspar and quartz to form the proper rocky foundations of the earth, which bears without distortion or crushing the weight of the four terrestrial systems. We were immured within prison walls of granite.
It was eight in the evening. No signs of water had yet appeared. I was suffering horribly. My uncle strode on. He refused to stop. He was listening anxiously for the murmur of distant springs. But, no, there was dead silence.
And now my limbs were failing beneath me. I resisted pain and torture, that I might not stop my uncle, which would have driven him to despair, for the day was drawing near to its end, and it was his last.
At last I failed utterly; I uttered a cry and fell.
“Come to me, I am dying.”