Crossword-Solution: QUARTZES 8 letters, 2 clues 🏆 scrabble score: 26

Thus, I would divide the metalliferous quartzes of this North-Midianite region into two chief kinds: those stained green and light blue, whose chief metallic element is copper, with its derivatives; and the iridescent Negro, which may shelter the Colorado.

These metalliferous quartzes cannot be further from the coast than a maximum distance of fourteen miles, and the broad, smooth watercourse, with its easy gradients, points it out as the site of the future tramway.

The watercourses, whose broad mouths are scattered with thin green, contain pebbles and rolled quartzes, including fine specimens of the crystallized variety.

The island-formation is that of the opposite coasts, Midian and Sinai, grey granite dyked with decaying porphyritic trap, and everywhere veined with white and various-coloured quartzes.

The quartz sand may well have been derived from the granitic quartzes, but that is an uncertain matter.