hyperite Min.
(ˈhaɪpəraɪt)
Also hyperyte.
[? short for hypersthenite.]
A name for various rocks allied to Diabase and to Diorite; sometimes = hypersthenite.
| 1862 Dana Man. Geol. ii. 78 Hyperite—Granite like in texture..consisting of cleavable labradorite..and hypersthene. 1868 ― Min. (ed. 5) 210 Hypersthene..is often associated with labradorite, constituting a dark-colored, granite-like rock, called Hyperyte. Ibid. 343 If the hornblendic constituent [of Labradorite] is a dark lamellar variety of either hornblende or pyroxene, or the species hypersthene, the rock is called hyperyte (or hypersthenyte). |