Specimen #1811

Name: Muscovite with Magnetite inclusions (Graphic Mica)

Type: Mineral

Locality: Madras, India

Favorite? N

Fluorescent? N

Size: 23 x 11 cm

Weight: 511

Acquired: 2009-12-15

Source: John Betts

Label: N

Comment: Thin sheet crystal of transparent muscovite mica with dark magnetite inclusions that follow the 60° orientation of the muscovite crystal, also known as graphic mica. Very difficult to photograph.

Minerals: Magnetite (Fe++Fe+++2O4) Muscovite (KAl2(Si3Al)O10(OH,F)2)

There is one picture on file


Muscovite with Magnetite inclusions (Graphic Mica), Madras, India - 23 x 11 cm