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The Turquoise.
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especially
in Lincoln Co., at the foot of Sugar Loaf Peak. California also yields
Turquoise, and Dr. G. Eisen has lately discovered some ancient
workings, perhaps Aztec mines, in a desert region in Southern
California.
A
few years ago, Turquoise was found in Victoria, in Australia, the
locality being near the Hedi, in the King River district, where the
mineral occurs in veins, running through old slaty rocks, probably
Silurian. This deposit has been actively worked.
Turquoise
has also been discovered in the district of Bodalla, in New South
Wales, but the stone is of no commercial importance.
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THE PERSIAN TURQUOISE MINES.
The
famous Turquoise mines of Khorassan in Persia were described officially
in 1884, in a report drawn up for the British Legation at Teheran by
General Houtum Schindler, who had held office as Director of the Mines,
and Governor of the Mining District. The Shah had granted a concession
of the mines for fifteen years to the Mukhbur-ed-Dowleh, -who
associated himself with several partners. Gen. Schindler, after
managing the mines for about a year, found so many difficulties in
working under this Company that he left in May, 1883. For much of the
following information we are indebted to his Report.
The
Turquoise mines are situated in the Bâr-i-Madèn, a district of the
Nishâpûr province, about 40 miles northeast of Sabzvâr, and 32 miles
north-west of Nishâpûr, in the north-eastern part of Persia, under
latitude 360 28 ' N., longitude 580 20' Έ. The
mountains of the district consist of nummulitic limestone and
sandstones, resting on clay-slates, and enclosing great beds of gypsum
and
rock-salt. On the north of the Madèn valley, the stratified
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