According to gnomish myths, what types of gems gave rise to the different gnomish subraces?

Here's what the lore says, drawn directly from the indexed sources:

Gnome > Gnome > Sub-Races There were several subraces of gnomes, as listed below: - Forest gnomes - Smaller than other gnomes, these gnomes were a shy, secretive folk, living deep in wooded areas. - Rock gnomes - Rock gnomes primarily occupied burrows beneath rolling, wooded hills throughout Faerûn. - Deep gnomes - The deep gnomes, or svirfneblin, dwelt in cities deep underground in the Underdark. They were far stealthier, much more combative, and avaricious than surface-dwelling gnomes. The former two qualities being because they had to constantly defend themselves against drow and other…

Source: Gnome

Gem dragon > Gem dragon > Types Amethyst dragons were neutral, logical dragons. They had lavender skin and crystal-like scales. Their breath weapon was a blast of concussive force, and they were known to burrow into the ground. They were also the most powerful of the gem dragons. Emerald dragons were reclusive dragons with a lawful bent. They are inquisitive about history, but also paranoid and distrustful of visitors, whom they deter by setting traps in and by their lairs, and with their breath weapon, a powerful blast of wind. They had scales in many shades of green, with a scintillating…

Source: Gem dragon

Dwarf > Dwarf > Subraces There existed several dwarven subraces, the best known including: - Aquatic dwarf - An aquatic offshoot of dwarves that inhabited the reaches of the Sea of Fallen Stars. A fairly obscure and hard to find subrace, they were thoroughly discounted by the sages who knew and sought them out as merely being a tall tale. - Arctic dwarves - Squat and hardy dwarves from the isolated northern reaches of Faerûn. - Gold dwarves (Hill Dwarves) - Strong and muscular dwarves with tanned skin from the south, largely in the Great Rift area. - Gray dwarves - Duergar were dwarves,…

Source: Dwarf
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