v0.31:Rock crystal

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Rock crystal

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Uses
Make crystal glass Gemcrafting Encrusting
Location
Found in stone layers as small clusters
Properties
Material value 2 Fire-safe Not magma-safe Melting point 11500 °U (x) Boiling point 14000 °U (m) Ignition point none (m) Solid density 2670 Specific heat 800
Wikipedia article

v0.44.10 · v0.34 · v0.31.25 · v0.28 · v0.23 This article is about an older version of DF. More Info

Rock crystal, one of many types of quartz crystals (SiO₂), is a type of gem. When combined with pearlash at a glass furnace, it can be used to make crystal glass items. Due to a bug, however, this is currently not functional - despite rough rock crystals being available, the game will announce 'Needs glass-making rough gems'^Bug:1498. See the bug entry for information on how to patch this bug for version 0.31.25 on Windows or Linux.

Raws
[INORGANIC:CRYSTAL_ROCK] [USE_MATERIAL_TEMPLATE:STONE_TEMPLATE] [TILE:15][IS_GEM:rock crystal:STP:OVERWRITE_SOLID][DISPLAY_COLOR:7:7:1][CRYSTAL_GLASSABLE][MATERIAL_VALUE:2] [ENVIRONMENT:ALL_STONE:CLUSTER_SMALL:100]

Gems
Ornamental	amber opal • aventurine • banded agate • bloodstone • blue jade • bone opal • brown jasper • carnelian • cherry opal • chrysocolla • chrysoprase • citrine • clear tourmaline • dendritic agate • fire agate • fortification agate • gold opal • gray chalcedony • jasper opal • lace agate • lapis lazuli • lavender jade • milk opal • milk quartz • moonstone • morion • moss agate • moss opal • onyx • onyx opal • picture jasper • pineapple opal • pink jade • pipe opal • plume agate • prase • prase opal • pyrite • resin opal • rock crystal • rose quartz • sard • sardonyx • schorl • shell opal • smoky quartz • sunstone • tiger iron • tigereye • tube agate • turquoise • variscite • wax opal • white chalcedony • white jade • wood opal • yellow jasper
Semi-Precious	alexandrite • almandine • amethyst • aquamarine • bandfire opal • black opal • black pyrope • black zircon • blue garnet • brown zircon • cat's eye • chrysoberyl • cinnamon grossular • claro opal • clear garnet • clear zircon • crystal opal • demantoid • fire opal • golden beryl • goshenite • green jade • green tourmaline • green zircon • harlequin opal • heliodor • honey yellow beryl • indigo tourmaline • jelly opal • kunzite • levin opal • light yellow diamond • melanite • morganite • peridot • pinfire opal • pink garnet • pink tourmaline • precious fire opal • purple spinel • red beryl • red flash opal • red grossular • red pyrope • red spinel • red tourmaline • red zircon • rhodolite • rubicelle • tanzanite • topaz • topazolite • tsavorite • violet spessartine • white opal • yellow grossular • yellow spessartine • yellow zircon
Precious	emerald • faint yellow diamond • ruby • sapphire
Rare	black diamond • blue diamond • clear diamond • green diamond • red diamond • star ruby • star sapphire • yellow diamond