Unnamed shipwreck off Hidra island. Stacks of pewter plates were found in the cargo. These had reacted to the sea water, and a basic tin chloride had been formed filling the space between the plates. The tin chloride was recognized as a not-yet described naturally occurring substance, but not described at the time (Griffin et al., 1977). The same mineral was later found in a shipwreck at Sharm Abhur, The Red Sea and described as a new mineral,
abhurite (Matzko et al., 1985)
References:
- Griffin, W. L., Nilsen, B. & Jensen, B, B (1977): Mineralogiske undersøkelser av tinntallerkener fra Hidra-vraket. Norsk Sjøfartsmuseums Årsberetning 1976, 111-114
Mineral List:3 entries listed. 3 valid minerals.
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