Name something that's mined from the ground
Plankton
The first thing everyone thinks of.
- Coal
- Copper
- Diamond
- Gold
- Silver
Too Clever
The “obscure” pick that isn’t actually that obscure.
- Lapis lazuli
Schooler
Solid, but you’re swimming with the crowd.
- Aluminum
- Amethyst
- Clay
- Crude oil
- Crystals
- Dirt
- Emerald
- Flint
- Fossils
- Gemstones
- Granite
- Graphite
- Gravel
- Iron
- Lithium
- Metal
- Minerals
- Natural gas
- Obsidian
- Opal
- Ore
- Platinum
- Quartz
- Rock
- Ruby
- Salt
- Sand
- Sapphire
- Titanium
- Water
- Zinc
Rare
Genuinely uncommon. A strong pick on any prompt.
- Agate
- Alabaster
- Alexandrite
- Amber
- Andesite
- Anthracite
- Aquamarine
- Arsenic
- Asbestos
- Barium
- Basalt
- Base metal
- Bauxite
- Beryllium
- Bismuth
- Black opal
- Bloodstone
- Borax
- Boron
- Butane
- Calcite
- Calcium
- Carbon
- Carnelian
- Cesium
- Chalk
- Chromium
- Citrine
- Cobalt
- Cobblestone
- Coltan
- Crushed stone
- Diatomaceous earth
- Diorite
- Dolomite
- Dripstone
- Ethane
- Feldspar
- Fire opal
- Flagstone
- Fluorite
- Fossil fuels
- Gallium
- Garnet
- Geode
- Gypsum
- Helium
- Hematite
- Himalayan salt
- Iridium
- Jade
- Jasper
- Kaolin
- Lava rock
- Lead
- Lignite
- Limestone
- Magnesium
- Magnetite
- Malachite
Deep Cut
Real obscurity. This is where the list gets long.
- Abbey rose
- Aberdeen granite
- Absolute Black
- Absolute White Marble
- Abtswind Sandstone
- Academy Black granite
- Acajou gneiss
- Achroite
- Acquatic Quartzite
- Actinium
- Actinolite
- Adair sepia
- Adamellite
- Adamite
- Adnet marble
- Adularia
- Aegirine
- Aeschynite
- Afghanite
- African Rainbow Granite
- Africano
- Afyon marble
- Agalmatolite
- Agatha Black Granite
- Aggregate
- Agra red sandstone
- Ahlat stone
- Aikinite
- Ailsa Craig granite
- Aji stone
- Ajoite
- Akadama
- Akmara marble
- Alabandite
- Alaska White
- Albanel stromatolite
- Alberene stone
- Albertite
- Albite
- Algodonite
- Algonquin limestone
- Alibates flint
- Alkali feldspar granite
- Allanite
- Allure Quartzite
- Almandine
- Alpedrete granite
- Alpine summer
- Alpine Valley Granite
- Alta quartzite
- Alum
- Alum shale
- Alunite
- Amarello Ornamental Granite
- Amatrice
- Amazonite
- Ambaji marble
- Amblygonite
- Ametrine
- Ammolite
One in a Krillion
The gem picked for each prompt. Trench floor.
- Coprolite
Victorian Cambridgeshire had a coprolite mining rush for fertilizer.