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Kestelek Mine, Mustafa Kemalpafla, Bursa Province, Marmara Region, Turkey An excellent group of twinned crystals, very bright and with a notable zonation of its color between its center, of burned-honey color, and the zones near the edges, completely clear. Kestelek Mine, Mustaphakemalpascha, Bandirma, Turkey. Found in 09/2005 Specimen size: 7.5 x 7.2 x 6.3 cm Main crystal size: 1.1 x 0.7 cm Fluorescent ... |
| © fabreminerals.com | Photo ID: 83406 View Count: 189 |
Colemanite : Ca[B3O4(OH)3] · H2O | |
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Kestelek Mine, Mustafa Kemalpafla, Bursa Province, Marmara Region, Turkey 5.4 x 5.0 x 3.7 cm. Gemmy, twinned, honey-brown colemanite crystals, with flashes of interior fire, richly and aesthetically cover the mounded matrix on this showy and excellent specimen from the small, one-time 2005 find in Turkey. Very interestingly, a second generation of totally colorless colemanite is found on the edges of the crystals. Ex. ... |
| © Rob Lavinsky | Photo ID: 244272 View Count: 11 |
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Kestelek Mine, Mustafa Kemalpafla, Bursa Province, Marmara Region, Turkey 5.5 x 5.1 x 4.4 cm. Sharp crystals to 2 cm make this the most dramatic example for the find from late 2005, because this is the largest crystal I know of to date. The twinning is sharp and well-developed, much more easily visible because of the size of the crystal. Three other large crystals, to over 1 cm, flank the big one's rear. I like the look ... |
| © Rob Lavinsky | Photo ID: 259958 View Count: 8 |
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