Height including lamp holder approximately 26 cm
Wear due to age and use. Electrical function not tested. Insignificant chip.
The laventinite was discovered by Waldemar Christopher Brøgger and Hans Reusch in 1875. Brøgger initially thought it was moscovite, but later realised it was a new mineral. A more detailed description was published by Brøgger in 1890.