Both amazonite crystals show contact twinning
Amazonite contact twin on
albite
Amazonite on
albite
Contact twin
Origin: Kenticha, Negele area, Sidamo province, Ethiopia, Africa
Sample size: 7.6 x 6.4 x 5.7 cm (top), 6 x 5.3 x 4 cm (2nd row), 16 x 13 x
11.5 cm (3rd/4th row), 23 x 11 x 7.1 cm (5th/6th row), 9 x 7.5 x 3.7 cm (7th
row), 8 x 7 x 6.7 cm (8th/9th row), 8.2 x 5.8 x 4.8 cm (10th row), 6 x 4 x 3.6
cm (bottom)
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