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Voltaite, pickeringite
€27.00
Microscopic, black voltaite crystals and colourless needles of pickeringite
Grotta dell'Allume, Porto Levante, Vulcano Island, Lipari, Aeolian Islands, Messina Province, Sicily, Italy
Microscopic, black voltaite crystals and colourless needles of pickeringite in a vug in porous matrix
MM_0395
1 Item
Data sheet
- Locality
- Grotta dell'Allume, Porto Levante, Vulcano Island, Lipari, Aeolian Islands, Messina Province, Sicily, Italy
- Size category
- Miniature
- Size (cm)
- 4.5 x 3 x 2
- Weight
- 30 g
- Formula
- K2Fe2+5Fe3+3Al(SO4)12 · 18H2O (voltaite)
- Properties
- Resinous; greenish black colour
Microscopic, black voltaite crystals and colourless needles of pickeringite
Grotta dell'Allume, Porto Levante, Vulcano Island, Lipari, Aeolian Islands, Messina Province, Sicily, Italy