. . "Mystery Gem is a Boost featured in Bejeweled Blitz. When purchased, this Boost changes a random gem on the game board into a Flame Gem, a Star Gem, or a Hypercube at the beginning of a game. A question mark indicates the gem that becomes transformed. Like all boosts, Mystery Gem's effect lasts for three consecutive games before expiring."@en . "3000"^^ . . "Mystery Gem"@en . "Mystery Gem (Boost)"@en . "Mystery Gem is a Boost featured in Bejeweled Blitz. When purchased, this Boost changes a random gem on the game board into a Flame Gem, a Star Gem, or a Hypercube at the beginning of a game. A question mark indicates the gem that becomes transformed. Like all boosts, Mystery Gem's effect lasts for three consecutive games before expiring."@en . "6000"^^ . .