Show heck goll clr J 1 bridley of tins city ing from a lecuit visit to brought with him from J ild mountain moun lain vi hile I 1 me county a curious and rire mineral t ivl icci lie 1 is billel my attention at first glance it would seem lobe i ferruginous rock very rich in visible gold but there is in indescribable dif in the appearance of the vellow mineral leids alie experienced miner to distrust his first hen pi iced under hie alie true nature of this si eci men is immediately reve ailed alie ro iss Is alien seen to resemble limo nite presumably a i lifter I 1 arite I 1 hv alline qu irez 1 lie foundation miner il billed resembles hi it variety of cissi known as toad s eve tin over tins is alie mock gold in tl e form of an incrustation del i 0 do abt by alie action of mater in biking 11 e first mi crosco ical ex animation anlo hebting tie lillei ability of 11 e illusive incrustation aith tl e i of 11 en knife I 1 was surprised ai d to see the reflection it the blade from miny il faces proving that 11 e surf ice of the mineral lias a lustre quite equi il to that of pol ai metal it was my first tl at it M pynie in its or radi abed form but I 1 found it more brittle and w 1 en broken from the moss and examined billi i two thirds objective it did t ot sl evv tl e striated chancier of tl at miner il and burud comical deac gioi s seem to prove conclusively 11 at tl e mineral 1 really limonite as first supposed diio ik is golden oel ery vellow almost biange in a closed gl iss tube it yields u iter changes to a dark led color ai d becomes magnetic abe mineral rubbed in an agate martir yields a bright blood red 1 bowder aliis dissolved in lone acid gives a vellow liquid winch be comes deap led on adding ocya nide of it tl seems to ba 1 of iron li bonite a form peculiar and rare discovery lias recently been made in i cave in iron mountain bhakta count of a ai d st ilag mitic having a boj per colored me tarnish but albl bugli the coi per red pic dominates small i and ml is of the same bright gold col ored minerdt under consideration may be plainly seen under tie 1 he gravity of limonite being only 3 C to 4 it mill not remain in a pan or biorn EI ai ai gold does in iii g bout ag kars ago anoll er mock gold inin ertl caused considerable ex t followed by desai in OH ens valley inyo county anew district w is discovered with really rich gold quartz veins vi I 1 en a portion of the vein nutter was ind washed in a horn si oon the beet obtained was unusually large a con portion was really gold but the greiter p n is a 1 eavy yellow mineral which would cot wish iway but refused to it was some time before I 1 e miners would believe it wis not gold in some peculiar condition A blowpipe examination I 1 made of it it alie time showed it to be a lead il i probably nite mo lead borne lears since i broniz like i ul mineral of i gold n col r ind apie rance wis brouil t to ban inn ciso from 1 i x he evada it is mi in minute 1 plates at the time it was t to be i rare form of but as mineral is unknown in crystals it was probably iro bably a mistake it VAS 1 very beautiful n il object in canyon valley imiyo county in alie cioppi oi 11 e id i mine the black rocks t ave m lie a similar tarnish aid strangely there are minute octahedral of gen nine gold on tl e fc aliey ire wholly superficial and 11 air ment lotho rocks in isolated crystals cry still to be exi 1 tined aliese mineral ire very interesting and v ith tl e exception of the last men leoned I 1 1 ave brought tl cm all for your inspection this evening mining nd scientific 1 tess bau I 1 fancisco ran cisco |