Shell opal

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Shell opal

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Graphic
Uses
Gemcrafting Encrusting
Location
Found in stone layers as small clusters
Properties
Rough gem:
Material value 10☼ Fire-safe Not magma-safe Melting point 11500 °U (x) Boiling point 14000 °U (m) Ignition point none (m) Solid density 2115 kg/m³ Specific heat 800 J/kg·K Color ivory
Wikipedia article

v53.16 · v0.47.05 This article is about the current version of DF. Note that some content may still need to be updated. More Info · V

Shell opals are common, moderately-valuable gems that can be found just about anywhere.

Opalized shells.

Real world

In the real world, shell opals are seashells that were buried beneath the seabed and filled in with silica-rich water over the course of 30 to 100 million years. They're primarily found in Australia.

Raws
Mostly white with very dark green patterns. [INORGANIC:SHELL OPAL] [USE_MATERIAL_TEMPLATE:STONE_TEMPLATE] [MATERIAL_VALUE:10][DISPLAY_COLOR:7:7:1][TILE:15][IS_GEM:shell opal:STP:OVERWRITE_SOLID] [BASIC_COLOR:7:0] [ENVIRONMENT:ALL_STONE:CLUSTER_SMALL:10] [SOLID_DENSITY:2115] Common to opals. Range is 1980 - 2250 [STATE_COLOR:ALL_SOLID:IVORY]

V · T · E Gems
Ornamental (2☼-15☼)	Chrysocolla • Lapis lazuli • Pyrite • Tiger iron • Turquoise • Variscite Agates Banded agate • Dendritic agate • Fire agate • Fortification agate • Lace agate • Moss agate • Plume agate • Tube agate Feldspars Moonstone • Sunstone Jades Blue jade • White jade • Lavender jade • Pink jade Jaspers Brown jasper • Picture jasper • Yellow jasper Opals Amber opal • Bone opal • Cherry opal • Gold opal • Jasper opal • Milk opal • Moss opal • Onyx opal • Pineapple opal • Pipe opal • Prase opal • Resin opal • Shell opal • Wax opal • Wood opal Quartzes Aventurine • Chrysoprase • Citrine • Bloodstone • Carnelian • Gray chalcedony • Milk quartz • Morion • Prase • Rock crystal • Rose quartz • Sard • Sardonyx • Smoky quartz • Onyx • Tigereye • White chalcedony Tourmalines Clear tourmaline • Schorl
Semi-Precious (20☼-30☼)	Amethyst • Green jade • Kunzite • Light yellow diamond • Peridot • Tanzanite • Topaz Beryls Aquamarine • Golden beryl • Goshenite • Heliodor • Honey yellow beryl • Morganite • Red beryl • Topazolite Chrysoberyls Alexandrite • Cat's eye • Chrysoberyl Garnets Almandine • Black pyrope • Blue garnet • Clear garnet • Demantoid • Melanite • Pink garnet • Red pyrope • Rhodolite • Violet spessartine • Yellow spessartine Grossulars Cinnamon grossular • Red grossular • Tsavorite • Yellow grossular Opals Bandfire opal • Black opal • Claro opal • Crystal opal • Fire opal • Harlequin opal • Jelly opal • Levin opal • Pinfire opal • Precious fire opal • Red flash opal • White opal Zircons Black zircon • Brown zircon • Clear zircon • Green zircon • Red zircon • Yellow zircon Tourmalines Green tourmaline • Pink tourmaline • Indigo tourmaline • Red tourmaline Spinels Purple spinel • Red spinel • Rubicelle
Precious (40☼)	Emerald • Faint yellow diamond • Ruby • Sapphire
Rare (60☼)	Diamonds (Black • Blue • Clear • Green • Red • Yellow) • Star ruby • Star sapphire
See also: Gizzard stone • Glass • Pearl • Stone