elemental stone question (shiny stone and dawn stone)?

Question

all evolution stones evolve certain pokemon of certain types
for example fire stone evolves fire pokemon
sun stone evolves evolves plant pokemon
but i cant think which type does shiny stone represent
because it doesnt have a type pattern (togetic roselia minccino)
also im not to sure about dawn stone but i have noticed it evolves pokemon of ccertain gender

so basicly what does the shinny stone represent because i cant think of a pattern

Answer 1

http://pokemondb.net/evolution/stone
Look for pattern, if you want, but this is just a fact

Answer 2

i think it evolves pokemon that represent good stuff

togetic= happiness
roselia=beauty
minccino=cute