black diamonds
Hardest slope rating
Black diamonds is a name for coal, emphasizing its value as fuel and its carbon kinship with actual diamonds.
The term also refers to dark-colored carbonado diamonds used in industrial cutting, and to expert-level ski runs marked with a black diamond symbol on trail maps.
- gemsCut precious stones
- precious stonesRare, valued mineral specimens
- carbonadoDark industrial-grade gem
- hardnessResistance to penetration
- ski slopeMountain trail for descending
coal · rarity · crystals · runs · downhill racing · whites · fossil fuel · deep mines · minerals · rare earth · anthracite · mining · truffles · collieries · rough stones · geological formations · subsidence · onyx
- skiingskiing, ski, ski resort, ski slope, ski slopes
- ski resortsVail, Park City, Jackson Hole, Chamonix, St. Moritz
- slopesslope, incline, slopes, inclines, grade
ski trail difficulty
black diamondsbeginner slopes
Easy trails for novices
easy runs · bunny slopes · green runs · nursery slopes · flat terrain
black, blacks, blacker, blackest, blacken, blackened, blackening, blackness, blackish