Heatran. It can be found in Reversal Mountain in Black and White, and in Stark Mountain in Diamond, Pearl and Platinum.
Diamond Mountain Center was created in 2000.
The address of the Black Diamond Library is: 24707 Roberts Drive, Black Diamond, 98010 M
The address of the Black Diamond Museum is: Po Box 232, Black Diamond, WA 98010
Yes, it is a black diamond representing a black diamond.
Europe: blackAmerica: the symbol that that represent the most difficult ski runs is the black diamond
A black diamond won't sparkle like a white diamond, but a very special black diamond, the Amsterdam Black Diamond is apparently a visually stunning stone. Read more, below.
Heatran is unavailable in Gen V games, but is found in Stark Mountain post-game in Diamond/Pearl/Platinum
Triple black diamond is a marketing thing, not a standard trail designation. The double black diamonds at Schweitzer, Bogus Basin, and Sun Valley are every bit as hairy as the triple black diamonds at the resorts that have them.
stark mountain
The web address of the Black Diamond Museum is: http://www.blackdiamondmuseum.org
The address of the Black Mountain Branch Library is: 105 Dougherty St, Black Mountain, 28711 M