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Ferro-Actinolite : ☐[Ca2][(Fe2+,Mg)5][(OH)2|Si8O22] | |
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Godaimatsu Mine, Nara Prefecture, Kinki Region, Honshu Island, Japan Pale greenish or greenish grey, papier-mache-like microfibrous mass. 1 cm sample. S337-14 Excalibur Mineral specimen. |
| © 2008, JGW | Photo ID: 150882 View Count: 120 |
Ferro-Actinolite : ☐[Ca2][(Fe2+,Mg)5][(OH)2|Si8O22] | |
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Shigar Valley, Skardu District, Baltistan, Northern Areas, Pakistan Two prismatic crystals with a very good definition of forms, in which the terminal faces have a good development, a very unusual feature. At the same time the crystals are aerial, standing out on the matrix. Astor, Shigar Valley Pakistan Found in 2000 Specimen size: 4.5 x 3.3 x 4.2 cm Main crystal size: 3.8 x 2 cm |
| © fabreminerals.com | Photo ID: 59951 View Count: 589 |
Ferro-Actinolite : ☐[Ca2][(Fe2+,Mg)5][(OH)2|Si8O22], Titanite : CaTi[O|SiO4], Hedenbergite : CaFe2+[Si2O6] | |
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Carlés Mine, Carlés, Salas, Asturias, Spain Field with 1,5x1cm - January of 2006 |
| © Martins da Pedra | Photo ID: 190136 View Count: 94 |
Ferro-Actinolite : ☐[Ca2][(Fe2+,Mg)5][(OH)2|Si8O22], Allanite-(Ce) : {CaCe}{Al2Fe2+}[O|OH|SiO4|Si2O7], Titanite : CaTi[O|SiO4], Arsenopyrite : FeAsS - (Fe0.90Co0.10)AsS, Hedenbergite : CaFe2+[Si2O6], Marialite : Na4[Cl|(AlSi3O8)3], Andradite : Ca3Fe3+2[SiO4]3 | |
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Carlés Mine, Carlés, Salas, Asturias, Spain A good representation of this mine in Asturias - 2x1,5cm - January of 2006 |
| © Martins da Pedra | Photo ID: 189560 View Count: 74 |
Ferro-Actinolite : ☐[Ca2][(Fe2+,Mg)5][(OH)2|Si8O22] | |
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S. Justa Mine, Jerez de Caballeros, Badajoz, Extremadura, Spain Crystals up to 8mm in field with 7x5cm - December of 2007 |
| © Martins da Pedra | Photo ID: 144938 View Count: 125 |
Ferro-Actinolite : ☐[Ca2][(Fe2+,Mg)5][(OH)2|Si8O22] | |
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S. Justa Mine, Jerez de Caballeros, Badajoz, Extremadura, Spain Crystals up to 6mm in field with 7x5cm - December of 2007 |
| © Martins da Pedra | Photo ID: 146642 View Count: 114 |
Ferro-Actinolite : ☐[Ca2][(Fe2+,Mg)5][(OH)2|Si8O22], Andradite : Ca3Fe3+2[SiO4]3 | |
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Tungsten Hills, Tungsten Hills District (Bishop District), Inyo Co., California, USA Dark green elongated ferro-actinolite crystals (to 3 mm) on cavities in andradite. FOV = 1.3 x 1 cm |
| © Van King | Photo ID: 217707 View Count: 53 |
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