- 3.2 by 2.6 by 1.9 cm – Thumbnail specimen (fits into a 3 cm cube)
Lüneburgite is a rare magnesium borate phosphate, named after its type locality (Nöllner, 1870). Sen Gupta et al. (1991) solved the crystal structure and noted its dissimilarity to seamanite, the only other borate phosphate known at the time. This is a broken spheroidal mass of silky white crystals. This specimen was part of the personal collection of Ralph Merrill, proprietor of the prolific mail order business Minerals Unlimited. Merrill's collection card and label also ship with the specimen.
Item code: MS0856
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