Specimen #710

Name: Quartz var. Dauphine-law Twin

Type: Mineral

Locality: St. Gotthard, Kanton Uri, Switzerland

Favorite? N

Fluorescent? N

Size: 9 x 2 x 2 cm

Weight: 65

Acquired: 2008-06-24

Source: John Betts

Label: Y

Comment: Doubly-terminated crystal of transparent colorless quartz with green chlorite microcrystals on one termination. The quartz is Dauphine-law twinned as evidenced by the suture lines running down the prism faces. This is a floater crystal. No damage is visible to the unaided eye, minute edge chipping is visible under 20x magnification. Ex. John Albanese, Jr..Size of individual crystals: 9 cm.

Minerals: Quartz (SiO₂)

There are 4 pictures on file

M00710-01.jpg:

Quartz var. Dauphine-law Twin, St. Gotthard, Kanton Uri, Switzerland - 9 x 2 x 2 cm

M00710-02.jpg:

Quartz var. Dauphine-law Twin, St. Gotthard, Kanton Uri, Switzerland - 9 x 2 x 2 cm

M00710-03.jpg:

Quartz var. Dauphine-law Twin, St. Gotthard, Kanton Uri, Switzerland

M00710-04.jpg:

Quartz var. Dauphine-law Twin, St. Gotthard, Kanton Uri, Switzerland