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Andalusite (Var: Chiastolite) : Al2[O|SiO4] | |
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Hunan Province, China Large sectioned andalusite crystal with polished faces on both ends to show the cross-formation (variety chiastolite). This specimen could be sliced into several thinned sections. No damage. Overall size of mineral specimen: 3x2.5x2 cm. Size of individual crystals: 2 cm. |
| © 2002 John H. Betts | Photo ID: 4475 View Count: 1337 |
Andalusite (Var: Chiastolite) : Al2[O|SiO4] | |
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Hunan Province, China Large sectioned andalusite crystal with polished faces on both ends to show the cross-formation (variety chiastolite). This specimen could be sliced into several thinned sections. Overall size of mineral specimen: 3x3x1.7 cm. Size of individual crystals: 2 cm. |
| © 2002 John H. Betts | Photo ID: 4476 View Count: 490 |
Andalusite (Var: Chiastolite) : Al2[O|SiO4] | |
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Hunan Province, China Large sectioned andalusite crystal with polished faces on both ends to show the cross-formation (variety chiastolite). This specimen could be sliced into several thinned sections. No damage. Overall size of mineral specimen: 3x2.5x1.5 cm. Size of individual crystals: 2 cm. |
| © 2002 John H. Betts | Photo ID: 4477 View Count: 459 |
Andalusite (Var: Chiastolite) : Al2[O|SiO4] | |
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Hunan Province, China Cut and polished crystal with 6x4x4cm - May of 1996 |
| © Martins da Pedra | Photo ID: 45931 View Count: 329 |
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Yaogangxian Mine, Yizhang Co., Chenzhou Prefecture, Hunan Province, China Columnar apatite with pink rhodochrosite on quartz. size: 5.0 x 4.4 x 3.2 cm |
| © Jiangbin | Photo ID: 260807 View Count: 9 |
Apatite-(CaF) : Ca5[F|(PO4)3], Muscovite : KAl2[(OH)2|AlSi3O10] | |
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Yaogangxian Mine, Yizhang Co., Chenzhou Prefecture, Hunan Province, China A 3.2 by 2.6 by 2.3 cms specimen with a lustrous bluish-grey crystal of Apatite partially covered by small Muscovite crystals. John Sobolewski specimen and photograph. |
| © John Sobolewski | Photo ID: 47469 View Count: 299 |
Apatite-(CaF) : Ca5[F|(PO4)3], Quartz : SiO2, Muscovite : KAl2[(OH)2|AlSi3O10] | |
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Yaogangxian Mine, Yizhang Co., Chenzhou Prefecture, Hunan Province, China Speciemen size: 18mm*14mm*8mm. Dark blueish gray apatite crystal on Quartz. Hexagonal bipyramid facets |
| © Sapphirious | Photo ID: 121470 View Count: 169 |
Apatite-(CaF) : Ca5[F|(PO4)3], Fluorite : CaF2 | |
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Yaogangxian Mine, Yizhang Co., Chenzhou Prefecture, Hunan Province, China Royal purple translucent glassy crystal of fluorapatite measuring 5 x 6 x 13 mm on matrix with minor dark purple fluorite. |
| © Dan Weinrich | Photo ID: 115727 View Count: 107 |
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Yaogangxian Mine, Yizhang Co., Chenzhou Prefecture, Hunan Province, China Short prismatic crystals, doubly terminated, with color zonations. On a matrix of doubly terminated Quartz crystals. All of the Fluorapatite specimens from Yaogangxian we have seen so far usually were smaller and poorer in quality than this. Yaogangxian Mine, Yizhang, Chenzhou, Hunan, China. Found in 2005 Specimen size: 4.9 × 4 × 3 ... |
| © fabreminerals.com | Photo ID: 160482 View Count: 83 |
Apatite-(CaF) : Ca5[F|(PO4)3] | |
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Yaogangxian Mine, Yizhang Co., Chenzhou Prefecture, Hunan Province, China 2.4 x 2.3 x 1.9 cm. Not the most beautiful fluorapatite on earth, but what an unusual locality specimen for the Yaogangxian, known for floods of all sorts of minerals but NOT for fluorapatites. This one is actually nicer in person, a lot less "rough" looking, doubly-terminated with two fine flat terminations, and complete and sharp all around. ... |
| © Rob Lavinsky | Photo ID: 149223 View Count: 73 |
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