Quartz with yellow-green inclusions of unknown mineral and needles of probably
tourmaline
Origin: Virgem da Lapa, Minas Gerais, Brazil
Sample size: 6 x 2 x 1.7 cm
Molybdenite inclusions in quartz
Origin: Confianza Mine, Tilama, Chile, South America
Sample size: 5.2 x 5 x 4 cm (top/2nd row), 5.8 x 2 x 1.7 cm (3rd row), 4.6 x
2.4 x 2 cm (4th row), 8.5 x 6 x 3.5 cm (5th/6th row), 10.4 x 5.5 x 4.2 cm
(7th/bottom row)
This specimen consists of a fully terminated crystal of quartz variety
amethyst. The crystal has distinct zones of colour and acicular inclusions of
an unknown mineral.
Origin: Koh-ISulaman Mts, Ghazni Province, Afghanistan
sample size: 2.7 x 1.7 x 1.5 cm
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