Melilite Nephelinite

Title

Melilite Nephelinite

Identifier

HA-30

Description

Hand Sample: Aphanitic light gray nephelinite containing some melilite. Melilite is the white minerals that range in size from 0.1 to 0.5cm. Sample contains numerous small sized (less than 0.05cm) vesicles that are evident on the cut face.
Thin Section: Groundmass composed of euhedral quartz grains with abundant phenocrysts of olivine and pyroxenes.

Date

Sample collected in January, 1969.

Contributor

Western Minerals

Is Part Of

Volcanic Phenomena Suite - The Hawaiian Islands of Hawaii and Oahu

Spatial Coverage

Moilule Quarry, Honolulu - Island of Oahu

Number of Thin Sections

1

Geolocation