Name a rock or mineral
81 official answersBest find · One in a Krillion · 100
Best find
100
One in a Krillion
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Official Krillion Answers
✓ Official
81 accepted answers from the official reveal.
- PainiteGuinness once listed it as the world's rarest gem mineral.
- Andesite
- Anthracite
- Apatite
- Azurite
- Beryl
- Bloodstone
- Chalcopyrite
- Chert
- Cinnabar
- Citrine
- Conglomerate
- Corundum
- Fluorite
- Gabbro
- GneissPronounced 'nice,' a pun geologists refuse to retire.
- Jasper
- Moonstone
- Olivine
- Platinum
- Rhyolite
- Schist
- Scoria
- Selenite
- Serpentinite
- Soapstone
- Sodalite
- Spinel
- Tanzanite
- Travertine
- Tuff
- Zircon
- 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
- Amethyst
- Basalt
- Coal
- Emerald
- Gold
- Jade
- Limestone
- Obsidian
- Opal
- Pumice
- Ruby
- Sandstone
- Sapphire
- Shale
- Slate
- Turquoise
- BauxiteReddish aluminum ore mined by the megaton in Australia.
- GalenaSilvery cubes of lead ore, startlingly heavy in the hand.
- Diamond
- Granite
- Marble
- Quartz
Best official score for this question: 100Add 100 to the Score Calculator
More Answers to Try
Additional ideas that may fit this prompt but haven't been verified against Krillion's official answer set.
18 additional ideas
- AmphiboleNot verified
- AndalusiteNot verified
- AnhydriteNot verified
- AugiteNot verified
- BariteNot verified
- BiotiteNot verified
- EpidoteNot verified
- HornblendeNot verified
- KaoliniteNot verified
- KyaniteNot verified
- MuscoviteNot verified
- PrehniteNot verified
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