Question

Does quartzite have a streak?

Answer 1

here is your answer

Quartz is one of the most well-known minerals on earth. It occurs in ... Quartz is also the most varied of all minerals, occurring in all different forms, habits, and colors. ... Streak, White.

Streak: White

Luster: Vitreous. Transparent, colorless Quartz crystals from a few distinct localities ...

Crystal System: Hexagonal

Rock Type: Igneous, Sedimentary, Metamorphic


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Answer 2

Crystals, which are hexagonal in shape, vary in shape and size. Quartz crystals are unique and very identifiable with their pointed and often uneven terminations. Crystals can be in enormous prismatic and stubby crystals, or in pointed aggregates of such crystals. Crystals are usually striated horizontally, and are sometimes doubly terminated. Quartz crystal habits include drusy, grainy, bladed, as linings of geodes, as rounded waterworn pebbles, radiating, as pointy pyramids on a matrix, as dense agglomerations of small crystals, massive, globular, stalactitic, crusty, in nodules, and in amygdules.

Crystals frequently twin; a famous twinning habit is the Japanese twin, where two crystals contact at a 90º angle. Quartz crystals may also contain a scepter growth, where the top of a crystal bulges out from the rest of the crystal, and may also form as phantom growth, where one crystal forms over another, leaving a ghosted form inside.