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apophyllite

Upper-Intermediate (B2)

IPA: /əˈpɒfɪlaɪt/

KK: /əˈpɒfɪlaɪt/

noun
Definition

A type of mineral that is usually white, pale pink, or pale green, and is made up of potassium, calcium, and fluorine. It often forms in transparent square shapes or in white and grayish clusters.


Example

The geologist examined the apophyllite crystals for their unique properties.


Conversation
Sloth A
I just got this amazing piece of apophyllite for my collection.
Sloth B
Wow, it sounds beautiful! What color is it?
Sloth A
It's a lovely pale green, very translucent.
Sloth B
That must look stunning in the light!

Synonyms & Antonyms
Synonyms
mineral
crystal
zeolite
Antonyms
Root Explanation

Apophyllite is derived from the Greek roots "apo-" (meaning away from) and "phyllon" (meaning leaf). The name refers to the way the mineral flakes off in thin, leaf-like layers when heated, hence the connection to its physical properties.

Memory Tip

Think of 'leaves' ('phyllon') that come 'away from' ('apo-') something when heated — this helps you remember that apophyllite is a mineral that flakes off in layers.

Visually Confused Words
pyrophyllite
ganophyllite
phyllite
astrophyllite
anthophyllite
aporhyolite
xanthophyllite
propylite
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