Gemstones and Ores
Roll 1D100
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Look up the appropriate category and roll 1D20
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Within each category all items are sorted by price – 1 being cheapest, 20 being most expensive.
Ersatz Mineral – man-made, fake stones. Typically given a flavorful name to sound expensive, these are often glass or cheap stones with dye treatments.
50cp – 25sp (cm3)
Stone – Large naturally formed rocks, might be used for cavern walls, statues buildings or altars.
20sp – 50gp (m3)
Ores – Rocks that metals are extracted from, ores can be cavern formations or dug-out mines.
1gp – 1000gp (m3)
Semi-Precious – gemstones that can be transparent (Crystalline) or opaque (Microcrystalline) and are generally more common than Precious Gemstones.
10gp – 100gp (cm3)
Precious – Expensive or rare Gemstones- often with clear crystal formations.
500gp – 5000gp (cm3)
D100 List
- Gold Obsidian – yellow glass
- Clear Obsidian – clear glass
- Emerald Obsidian – green glass
- Ocean Obsidian – green-blue glass
- Sapphire Obsidian – blue glass
- Vermillion Obsidian – bright red glass
- Wine Obsidian – deep red glass
- Royal Obsidian – purple glass
- Fire Jade – poor-quality opals, sometimes glass
- Beach moonstone – Quartz
- Goldstone – resin with copper flecks, this stone is coppery and sparkles in sunlight. Sometimes called Sunstone
- Dewstone – resin with chromium flecks, this stone is green and sparkles in sunlight.
- Starstone – resin with cobalt flecks, this stone is dark purple or blue and resembles the stars of the night sky.
- Fairy Agate – bright agates, dyed
- Turquoisite – Dyed Howlite stone
- Rainbow Hematite – Hematite treated with a colorful coating
- Magnetic Hematite
- Opalite
- Zandrite
- Slocum Opal
- Feldspar
- Riverstone
- Mica (flaky, thin sheets)
- Granite
- Sandstone (may have fossils)
- Limestone (may have fossils)
- Basalt
- Slate (may have fossils)
- Soapstone
- Hornfels (very tough)
- Marble
- Rhyolite
- Chert
- Jet (gemstone form of coal)
- Bloodstone (green with flecks of red)
- Labradorite (Iridescent blue)
- Lodestone (magnetic)
- Petrified Wood
- Charoite
- Alabaster
- Tetrahedrite 32% Copper 10% Iron
- Chrysocolla 34% Copper 2% Aluminum
- Bismuthinite 81% Bismuth
- Malachite 58% Copper
- Siderite 49% Iron
- Covellite 67% Copper
- Limonite 60% Iron
- Cuprite 88% Copper
- Hematite 70% Iron
- Nickeline 44% Nickel
- Magnetite 72% Iron
- Cassiterite 79% Tin
- Cobaltite 36% Cobalt
- Chromite 46% Chromium 25% Iron
- Galena 87% Lead 2% Silver
- Bauxite 45% Aluminum
- Acanthite 87% Silver
- Krennerite 43% Gold
- Native Gold 99% Gold
- Sperrylite 57% Platinum
- Quartz
- Rose Quartz
- Garnet
- Amethyst
- Blue Lace Agate
- Onyx
- Carnelian
- Peridot
- Moss Agate
- Fluorite
- Citrine
- Kyanite
- Fluorite
- Spinel
- Tiger’s Eye
- Dragon’s Eye
- Hawk’s Eye
- Moonstone
- Turquoise
- Tourmaline
- Topaz
- Tanzanite
- Larimar
- Taaffeite
- Sapphire
- Emerald
- Demantoid Garnet
- Benitoite
- Padparadscha Sapphire
- Ruby
- Blue Paraiba Tourmaline
- Jeremejevite
- Bixbite
- Jadeite
- Alexandrite
- Clear Diamond
- Painite
- Musgravite
- Blue Diamond
- Pink Diamond
Categorized | Sorted by Price
Ersatz Mineral
Stone
- Feldspar
- Riverstone
- Mica (flaky, thin sheets)
- Granite
- Sandstone (may have fossils)
- Limestone (may have fossils)
- Basalt
- Slate (may have fossils)
- Soapstone
- Hornfels (very tough)
- Marble
- Rhyolite
- Chert
- Jet (gemstone form of coal)
- Bloodstone (green with flecks of red)
- Labradorite (Iridescent blue)
- Lodestone (magnetic)
- Petrified Wood
- Charoite
- Alabaster
Ores
- Tetrahedrite 32% Copper 10% Iron
- Chrysocolla 34% Copper 2% Aluminum
- Bismuthinite 81% Bismuth
- Malachite 58% Copper
- Siderite 49% Iron
- Covellite 67% Copper
- Limonite 60% Iron
- Cuprite 88% Copper
- Hematite 70% Iron
- Nickeline 44% Nickel
- Magnetite 72% Iron
- Cassiterite 79% Tin
- Cobaltite 36% Cobalt
- Chromite 46% Chromium 25% Iron
- Galena 87% Lead 2% Silver
- Bauxite 45% Aluminum
- Acanthite 87% Silver
- Krennerite 43% Gold
- Native Gold 99% Gold
- Sperrylite 57% Platinum
Semi-Precious Gemstone
- Quartz
- Rose Quartz
- Garnet
- Amethyst
- Blue Lace Agate
- Onyx
- Carnelian
- Peridot
- Moss Agate
- Fluorite
- Citrine
- Kyanite
- Fluorite
- Spinel
- Tiger’s Eye
- Dragon’s Eye
- Hawk’s Eye
- Moonstone
- Turquoise
- Tourmaline
Precious Gemstones
- Topaz
- Tanzanite
- Larimar
- Taaffeite
- Sapphire
- Emerald
- Demantoid Garnet
- Benitoite
- Padparadscha Sapphire
- Ruby
- Blue Paraiba Tourmaline
- Jeremejevite
- Bixbite
- Jadeite
- Alexandrite
- Clear Diamond
- Painite
- Musgravite
- Blue Diamond
- Pink Diamond