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Luigi’s Mansion: Dark Moon – Secret Mine – Gem Checklist

How to find the Round Sapphire, Trillion Sapphire, Baguette Sapphire, Football Sapphire, Drop Sapphire, Pebble Sapphire, Rhombus Sapphire, Star Sapphire, Octagon Sapphire, Oval Sapphire, Spindle Sapphire, Coffin Sapphire and Mushroom Sapphire
This article is over 11 years old and may contain outdated information

Made your way to the Secret Mine? Want to know how to find the level’s precious Gems? Of course you do! Luckily, your helpful friends at Prima are providing you with a quick and easy checklist with every location.

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Want more info? Detailed walkthroughs? Puzzle solutions? Gadget advice? How about multiplayer strategy and maps for every level? Check out our new and official eGuide for all this and more (including tips on defeating those pesky ghosts of course!).

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Gem Location Mission Notes
Round Sapphire Smokehouse D-1 Cold Case Use the Dark-Light Device to reveal the missing scarf, then A-Pull both scarves.
Trillion Sapphire Fishing Hut D-1 Cold Case Vacuum the Gem under the floorboards.
Baguette Sapphire Under the Ice D-1 Cold Case Launch the Toad into the top of the shaft.
Football Sapphire High Wires D-1 Cold Case Ride the first cable and vacuum the Gem down from the nest.
Drop Sapphire Airway D-1 Cold Case Use the binoculars to locate the Gem; collect it after it moves to the barrel.
Pebble Sapphire Chalet Approach D-2 Hit Rock Bottom Use a flaming turkey to melt the ice, then shine the Dark-Light Device at the framed sketch.
Rhombus Sapphire Prospector’s Crossing D-2 Hit Rock Bottom Reveal the missing pickaxe and spin it. Carry both logs onto the ice.
Star Sapphire Skip Slope D-2 Hit Rock Bottom Slide through the spinning wheel near the west wall.
Octagon Sapphire Shaft D-2 Hit Rock Bottom A-Pull the chain at the base of the Shaft, then ride back up to find the Gem.
Oval Sapphire Deep Hall D-2 Hit Rock Bottom Ignite a piece of coal, then launch it at the Gem in the ceiling.
Spindle Sapphire Crossroads D-3 Across the Chasm Reveal the cart on the west ledge and vacuum the snow mound inside it.
Coffin Sapphire Chalet D-3 Across the Chasm Use the Crystal Quarry E-Gate to drop onto the Chalet couch.
Mushroom Sapphire High Wires D-3 Across the Chasm Reach the outhouse and complete the bonus challenge within it.

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