Melecie

Carbink is a gray, rock-like Pokémon with a conical body. Its body has light blue crystals of various shapes and sizes embedded in it. A white, fluffy collar surrounds its small head. It uses this soft mane to polish the gems of other Carbink. It has bright blue eyes, a light blue crystal on top of its head, and flat diamond-shaped ears. Due to its small stature, it ties with Minior and Dwebble as the shortest Rock-type.

Carbink is created from high temperatures and pressures underground and is occasionally found during cave excavations. Following birth, it can sleep for millions of years. It is preyed upon by Sableye, and Gabite also likes to capture it. Carbink defends itself by shooting high-energy beams from the gem on its head. Rarely, Carbink will undergo a strange mutation and transform into . It is said that a pack of Carbink lives deep underground with their queen in a jeweled kingdom.

Carbink servants are a group of Pokémon serving Diancie, the princess of the Diamond Domain.
Four of them are named and are called "Merrick", "Bort", "Allotrope", and "Dace".

(Source: Bulbapedia)