Andalusite crystal in a matrix dominated by biotite. Roughtenghyll, Cumbria, England. PPL image, 2x (Field of view = 7mm) |
Andalusite crystal and rounded cordierite crystals (with sector twinning) in a matrix dominated by biotite. Roughtenghyll, Cumbria, England. XPL image, 2x (Field of view = 7mm) |
Andalusite crystal in a matrix dominated by biotite. Roughtenghyll, Cumbria, England. PPL image, 2x (Field of view = 7mm) |

Andalusite crystal and rounded cordierite crystal (with sector twinning) in a matrix dominated by biotite. Roughtenghyll, Cumbria, England. XPL image, 2x (Field of view = 7mm) |
Andalusite crystal in a matrix dominated by biotite. Roughtenghyll, Cumbria, England. PPL image, 2x (Field of view = 7mm) |
Andalusite crystal and rounded cordierite crystals (with sector twinning) in a matrix dominated by biotite. Roughtenghyll, Cumbria, England. XPL image, 2x (Field of view = 7mm) |

Andalusite crystals in a matrix dominated by biotite. Roughtenghyll, Cumbria, England. PPL image, 2x (Field of view = 7mm) |
Andalusite crystals and rounded cordierite crystals (with sector twinning) in a matrix dominated by biotite. Roughtenghyll, Cumbria, England. XPL image, 2x (Field of view = 7mm) |
Andalusite crystal in a matrix dominated by biotite. Roughtenghyll, Cumbria, England. PPL image, 2x (Field of view = 7mm) |

Andalusite crystals and rounded cordierite crystals (with sector twinning) in a matrix dominated by biotite. Roughtenghyll, Cumbria, England. XPL image, 2x (Field of view = 7mm) |
Andalusite crystal in a matrix dominated by biotite. Roughtenghyll, Cumbria, England. PPL image, 2x (Field of view = 7mm) |
Andalusite crystals in a matrix dominated by biotite. Roughtenghyll, Cumbria, England. PPL image, 2x (Field of view = 7mm) |

Andalusite crystals in a matrix dominated by biotite. Roughtenghyll, Cumbria, England. PPL image, 2x (Field of view = 7mm) |
Andalusite crystals and rounded cordierite crystals (with sector twinning) in a matrix dominated by biotite. Roughtenghyll, Cumbria, England. XPL image, 2x (Field of view = 7mm) |
Rounded cordierite crystals (with sector twinning) in a matrix dominated by biotite. Roughtenghyll, Cumbria, England. XPL image, 2x (Field of view = 7mm) |

Rounded cordierite crystals (with sector twinning) in a matrix dominated by biotite. Roughtenghyll, Cumbria, England. XPL image, 2x (Field of view = 7mm) |
Rounded cordierite crystals (with sector twinning) in a matrix dominated by biotite. Roughtenghyll, Cumbria, England. XPL image, 2x (Field of view = 7mm) |
Andalusite crystals in a matrix dominated by biotite. Roughtenghyll, Cumbria, England. PPL image, 10x (Field of view = 2mm) |

Andalusite crystals in a matrix dominated by biotite. Roughtenghyll, Cumbria, England. XPL image, 10x (Field of view = 2mm) |
Andalusite crystal in a matrix dominated by biotite. Roughtenghyll, Cumbria, England. PPL image, 10x (Field of view = 2mm) |
Andalusite crystal in a matrix dominated by biotite. Roughtenghyll, Cumbria, England. PPL image, 10x (Field of view = 2mm) |

Andalusite crystal in a matrix dominated by biotite. Roughtenghyll, Cumbria, England. PPL image, 10x (Field of view = 2mm) |
Andalusite crystal in a matrix dominated by biotite. Roughtenghyll, Cumbria, England. XPL image, 10x (Field of view = 2mm) |
Andalusite crystal in a matrix dominated by biotite. Roughtenghyll, Cumbria, England. PPL image, 10x (Field of view = 2mm) |

Andalusite crystals in a matrix dominated by biotite. Roughtenghyll, Cumbria, England. XPL image, 10x (Field of view = 2mm) |
Andalusite crystal in a matrix dominated by biotite. Roughtenghyll, Cumbria, England. PPL image, 10x (Field of view = 2mm) |
Andalusite crystal in a matrix dominated by biotite. Roughtenghyll, Cumbria, England. PPL image, 10x (Field of view = 2mm) |

Andalusite crystals in a matrix dominated by biotite. Roughtenghyll, Cumbria, England. XPL image, 10x (Field of view = 2mm) |
Andalusite crystal in a matrix dominated by biotite. Roughtenghyll, Cumbria, England. PPL image, 10x (Field of view = 2mm) |
Andalusite crystal in a matrix dominated by biotite. Roughtenghyll, Cumbria, England. PPL image, 10x (Field of view = 2mm) |

Andalusite crystals and rounded cordierite crystals in a matrix dominated by biotite. Roughtenghyll, Cumbria, England. PPL image, 1,25x (Field of view = 9mm) |
Andalusite crystals and rounded cordierite crystals with sector twinning in a matrix dominated by biotite. Roughtenghyll, Cumbria, England. XPL image, 1,25x (Field of view = 9mm) |
Andalusite crystals and rounded cordierite crystals in a matrix dominated by biotite. Roughtenghyll, Cumbria, England. PPL image, 1,25x (Field of view = 9mm) |

Rounded cordierite crystals (with sector twinning) in a matrix dominated by biotite. Roughtenghyll, Cumbria, England. XPL image, 2x (Field of view = 7mm) |
Andalusite crystal and rounded cordierite crystals (with sector twinning) in a matrix dominated by biotite. Roughtenghyll, Cumbria, England. XPL image, 2x (Field of view = 7mm) |
Rounded cordierite crystals (with sector twinning) in a matrix dominated by biotite. Roughtenghyll, Cumbria, England. XPL image, 2x (Field of view = 7mm) |

Rounded cordierite crystals (with sector twinning) in a matrix dominated by biotite. Roughtenghyll, Cumbria, England. XPL image, 2x (Field of view = 7mm) |
Rounded cordierite crystals (with sector twinning) in a matrix dominated by biotite. Roughtenghyll, Cumbria, England. XPL image, 2x (Field of view = 7mm) |
Rounded cordierite crystals (with sector twinning) in a matrix dominated by biotite. Roughtenghyll, Cumbria, England. XPL image, 2x (Field of view = 7mm) |

Andalusite crystals and rounded cordierite crystals in a matrix dominated by biotite. Roughtenghyll, Cumbria, England. PPL image, 2x (Field of view = 7mm) |
Andalusite crystals and rounded cordierite crystals in a matrix dominated by biotite. Roughtenghyll, Cumbria, England. PPL image, 2x (Field of view = 7mm) |
Andalusite crystals and rounded cordierite crystals in a matrix dominated by biotite. Roughtenghyll, Cumbria, England. PPL image, 2x (Field of view = 7mm) |

Rounded cordierite crystals with sector twinning. Roughtenghyll, Cumbria, Inghilterra. Roughtenghyll, Cumbria, England. XPL image, 10x (Field of view = 2mm) |