Chromium is a mineral. It is a chemical element in the periodic table and has the symbol Cr.
mica
Very soft mineral
Quartz
There's one legendary in Diamond which begins with the letter C. This is Cresselia, a psychic type. You will first encounter it at Fullmoon Island, then it will roam Sinnoh.
The Big C is one
calcite
Calcium is one.
Aluminum is a mineral. It begins with the letter A.
Andradite is a mineral and aplite is rock that start with the letter 'a'.
Zircon is a mineral that starts with the letter "Z". It is a silicate mineral commonly used in jewelry as a gemstone.
caca
igneous
Marble.
A letter that starts with the letter C is a contractletter or a contact letter.A letter of condolence or a letter of congratulations.
mineral
mineral
Variscite is a mineral that starts with the letter V. It is a relatively rare hydrated aluminum phosphate mineral that is sometimes used as a semi-precious gemstone.