అరుదైన అంశాలలో రిచ్ మాగ్మా యొక్క క్రిస్టలైజేషన్ నుండి ఉత్పన్నమయ్యే వినలేని శిలలు,

pegmatite's Usage Examples:

It is only very rarely found and restricted to extremely sodic conditions of ultra-alkaline pegmatites.

Wolframite is found in quartz veins and pegmatites associated with granitic intrusives.

the beneficiation of lithium bearing ores from pegmatites, like the main lithium-bearing mineral known as spodumene.

It occurs in pegmatites where it can form crystals up to 30 cm (12 in) long and in the contact.

gypsum, refractory clay, phosphorus, sillimanite, kaolinite, pegmatite, quartz sand, barite, graphite, granite, Yixing clay, taotu [zh], pyrite, other types.

mixture is higher in alkali and aluminium and typically lower in iron than felspars from pegmatites making it a good raw material.

Achalaite occurs in the intermediate zone of topaz- and tantalite-bearing pegmatite.

In the period from 1958 to 1972, pegmatite was excavated here, from the processing of which the known minerals, aquamarine.

It is associated with other lithium-bearing minerals like spodumene in pegmatite bodies.

Amblygonite occurs with spodumene, apatite, lepidolite, tourmaline, and other lithium-bearing minerals in pegmatite.

occurring in nepheline syenite intrusions and agpaitic (peralkaline) pegmatites and granites as the Golden Horn batholith in Okanogan County, Washington.

New England"s pegmatites have produced some of the largest beryls found, including one massive crystal from the Bumpus Quarry in Albany, Maine.

Greisen is a highly altered granitic rock or pegmatite.