centrallassite

centrallassite Min.

(sɛntrəˈlæsaɪt)

[Named 1859; f. Gr. κέντρον centre + ἀλλάσσ-ειν to change + -ite, because the change of colour to white begins at the centre.]

A hydrous silicate of lime, in composition near Okenite.

H. W. Bristow Gloss. Min. 68.