How does granite differ from diorite? how does basalt differ from obsidian? how does rhyolite differ from tuff?

granite is mainly composed of quartz and diorite does not contain quartz

Obsidian texture is glassy and basalt texture is  large and vesicular

Tuff is medium hard and rhyolite is hard in the nature

Explanation:

granite differ from diorite

granite

(1) granite is mainly composed of quartz

(2) granite found in various colour like pinkish, white and black

diorite

(1) diorite does not contain quartz

(2) diorite spots if found in black, white and grey

basalt differ from obsidian

obsidian

(1) Obsidian texture is glassy

(2) Obsidian is found in vibrant colour like Orange , Red and yellow

basalt

(1) Basalt texture is  large and vesicular

(2)  Basalt is found in Black, Brown and Greyish Shade

rhyolite differ from tuff

rhyolite

(1) rhyolite is hard in the nature

(2) rhyolite is silica enrich igneous rock

tuff

(1) Tuff is medium hard

(2) Tuff is formed from volcanic ash that is come out during volcanic eruption

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