caca
calcite
quartz
TopazTaaffeiteThomsoniteTanzaniteTiger-eyeTourmalineTsavoriteTugtupiteTurquoise
Graphite is a very soft mineral beginning with "g". Interestingly enough, it is composed of carbon, just like diamond, which is the hardest mineral known!
Aluminum is a mineral. It begins with the letter A.
Andradite is a mineral and aplite is rock that start with the letter 'a'.
Ashes and an apron are soft. They begin 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.
Marble.
igneous
gypsum
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.