How Do You Spell BARQUILLITE?

Pronunciation: [bˈɑːkwɪlˌa͡ɪt] (IPA)

The word "barquillite" is spelled with a "b" followed by "ar" (pronounced as /bɑːr/), then "qui" (pronounced as /ki/), and finally "llite" (pronounced as /laɪt/). The "qu" in the middle is pronounced as /k/ rather than /kw/, as it doesn't come before a vowel. "Barquillite" is an uncommon mineral that belongs to the hydrotalcite group, often found in serpentine rocks. Its chemical formula is Mg6Al2(OH)16(CO3)·4H2O.