Prompt 5 of 7
Name a rock or mineral
81 accepted answers across 6 rarity tiers.
100 ptsOne in a Krillion1 answer
The rarest possible answer — almost no player finds it.
- Painite— Guinness once listed it as the world's rarest gem mineral.
85 ptsDeep Cut31 answers
Genuinely obscure. Most players never think of it.
- Andesite
- Anthracite
- Apatite
- Azurite
- Beryl
- Bloodstone
- Chalcopyrite
- Chert
- Cinnabar
- Citrine
- Conglomerate
- Corundum
- Fluorite
- Gabbro
- Gneiss— Pronounced 'nice,' a pun geologists refuse to retire.
- Jasper
- Moonstone
- Olivine
- Platinum
- Rhyolite
- Schist
- Scoria
- Selenite
- Serpentinite
- Soapstone
- Sodalite
- Spinel
- Tanzanite
- Travertine
- Tuff
- Zircon
60 ptsRare27 answers
Uncommon — only a minority of players land here.
- Agate
- Aquamarine
- Calcite
- Chalk
- Copper
- Diorite
- Dolomite
- Feldspar
- Flint
- Garnet
- Graphite
- Gypsum
- Halite
- Hematite
- Lapis lazuli
- Magnetite
- Malachite
- Mica
- Onyx
- Pyrite
- Quartzite
- Rose quartz
- Silver
- Sulfur
- Talc
- Topaz
- Tourmaline
30 ptsSchooler16 answers
A solid, middling pick shared with plenty of other players.
- Amethyst
- Basalt
- Coal
- Emerald
- Gold
- Jade
- Limestone
- Obsidian
- Opal
- Pumice
- Ruby
- Sandstone
- Sapphire
- Shale
- Slate
- Turquoise
15 ptsToo Clever2 answers
An overthought pick that scores below the middle of the board.
- Bauxite— Reddish aluminum ore mined by the megaton in Australia.
- Galena— Silvery cubes of lead ore, startlingly heavy in the hand.
10 ptsPlankton4 answers
The most common answer on the board.
- Diamond
- Granite
- Marble
- Quartz