Microcline

Carlsbad twin

Origin: Himalaya Mine, San Diego Co., California, U.S.A.

Sample size: 6 x 3.6 x 2.9 cm

Origin: Heriart Hill Mine, Pala, San Diego Co., California, U.S.A.

Sample size: 1.6 x 1.2 x 0.7 cm

Origin: Climax area, Lake County, Colorado, U.S.A.

Ex. George Fisher collection

Sample size: 4.7 x 1.6 x 1.5 cm

Carlsbad twin

Origin: Hashupa, Shigar Valley, Gilgit, Pakistan

Sample size: 7.7 x 6.2 x 5.7 cm

White cap amazonite

Origin: Pikes Peak Area, Park County, Colorado, U.S.A.

Ex. Gary Hansen collection

Sample size: 7 x 6 x 2.9 cm

Origin: Konso Province, Ethiopia

Sample size: 7 x 5.5 x 5 cm

Variety amazonite

Origin: Konso, Ethiopia

Sample size: 8.0 x 6.0 x 4.9 cm

Photo courtesy of:

Rob Lavinsky

SEM images

TEM images

vibrational spectra description

IR spectra

N-IR spectra

F-IR spectra

IES spectra