Erionite
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Formula:
(K
2
,Ca,Na
2
)
2
Al
4
Si
14
O
36
· 15 H
2
O
Crystalsystem:
Hexagonal
Hardness
4
Lustre:
silky, vitreous
Colour:
colourless, white, green, grey, orange
Streak:
white
Erionite, Edinbane, Isle of Skye, Scotland
Erionite, Edinbane, Isle of Skye, Scotland
Erionite, Edinbane, Isle of Skye, Scotland
Erionite, Edinbane, Isle of Skye, Scotland
Erionite, Edinbane, Isle of Skye, Scotland
Erionite, Edinbane, Isle of Skye, Scotland
Erionite, Edinbane, Isle of Skye, Scotland
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