| 释义 |
prehnite Min.|ˈprɛnaɪt|
[ad. G. prehnit (Werner 1789), f. the name of Colonel von Prehn, who brought it from the Cape of Good Hope: see -ite1 2 b.]
A hydrous silicate of aluminium and calcium, found in more or less globular masses of a pale green colour and vitreous lustre.
1795Schmeisser's Syst. Min. I. 147 Prehnite..is called after Captain Prehn who brought it first to Europe. 1802Bournon in Phil. Trans. XCII. 282 That kind of prehnite which is composed of a mass of crystals confusedly aggregated. a1882R. Christison Life (1885) I. 96 Finding prehnite on the way under the blastings of a trap cliff.
Hence prehnitiform |prɛˈnɪtɪfɔːm| a., having the form of prehnite.
1843Portlock Geol. 152 Stilbite, both in the ordinary sheaf-shaped aggregations, and prehnitiform. |