Specimen #449

Name: Orthoclase

Type: Mineral

Locality: Delmo Lake Pegmatite, near Butte, Silver Bow Co., Montana, USA

Favorite? N

Fluorescent? N

Size: 3.7 x 3.4 x 9.8 cm

Weight:

Acquired: 2007-05-23

Source: Auction: Dan Weinrich

Label: Y

Comment: A superb large blocky colorless opaque single terminated orthoclase crystal measuring 3.7 x 3.4 x 9.8 cm in size without matrix. Very interesting for the locality; great addition for the feldspar suite! No damage.

Minerals: Orthoclase (KAlSi₃O₈)

There are 2 pictures on file

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