23a:Gem

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Small clusters of rough gems can be found strewn throughout the Template:L. Cut gems can be used to Template:L Template:L, Template:L, Template:Ls, Template:L and Template:L, to create Template:Ls. In addition, raw Template:Ls are required to make crystal glass goods. Rough gems, cut gems and their crystal expressions can be used in the creation of Template:Ls.

Gems have no value in rough form. First they need to be cut in a Template:L. Cut gems have a base value of 5, which is multiplied by appropriate value modifier from the table above. Items can be decorated (encrusted) with cut gems; all such decorations have a value of 10 times the gem type's value multiplier.

Sometimes, rough gems will be cut into Template:Ls or large gems. The chance of creating a "large gem" or craft is roughly 1 in 3, the skill of a gem cutter does not affect this number at all, only the quality of the finished good produced.^[Verify] Note that these will replace a cut gem and cannot be used to encrust goods. Such crafts can easily reach hundreds, even thousands depending on the gem.

You can also manufacture raw glass, which is the same as a lower-value, uncut gem.

Varieties

Gems come in 21 varieties, with their own color and value multipliers:

Rarity	Gem name	Value (×)	Color
Template:L	Green glass	2	2
Template:L	Clear glass	5	3
Template:L	Crystal glass	10	7
Ornamental	rose quartz	3	4
Ornamental	aventurine	3	2
Ornamental	turquoise	2	1
Ornamental	rock crystal	2	7
Semi-Precious	red spinel	20	4
Semi-Precious	chrysoberyl	20	2
Semi-Precious	aquamarine	20	1
Semi-Precious	opal	20	7
Precious	ruby	40	4
Precious	emerald	40	2
Precious	sapphire	40	1
Precious	diamond	40	7
Rare	red diamond	60	4
Rare	star ruby	60	4
Rare	green diamond	60	2
Rare	blue diamond	60	1
Rare	star sapphire	60	1
Rare	clear diamond	60	7

Unlike other gems, diamonds can Template:L if they come into contact with Template:L.

Clusters of Ornamental gems can be found anywhere in the fortress. Semi-precious gem clusters can be found beyond the Template:L. Precious gem clusters can be found beyond the Template:L. On the order of 2% (somewhere between 0.7% and 4.5%) of all gems mined out will produce a message such as "A miner has found some red spinel mixed in with the rose quartz.", which will result in a gem one level rarer than initially identified. This is normally the only way to find the Rare gems.

A few anomalies regarding gem types have been witnessed, although such anomalies are rare. On one occasion, a diamond cluster (in the wall; not "mixed in") was seen just east of the river. Another player reported finding "Blue diamond mixed in with the Aquamarine", which would suggest that it is possible (but extremely rare) to find gems two or more levels rarer "mixed in" with Ornamental or Semi-Precious gems. A third player found an emerald cluster west of the river while digging out an underground forest.

Template:L

Raw glass is treated as an uncut gem. There are three subtypes of raw glass (and, once cut, of cut glass gems):

Gem name	Value	Color	Requires
green glass	2×	☼	Template:L full of Template:L
clear glass	5×	☼	Template:L full of Template:L + Template:L
crystal glass	10×	☼	rough rock crystal + Template:L

Making raw glass requires a dwarf with the Template:L Template:L designated, and, just like working Template:L, it also requires Template:L (either Template:L or Template:L) at a normal glass furnace, or Template:L at a magma Template:L. Like all gems, raw glass has no Template:L modifiers.

Raw gems are only one of the many things your Template:Ls can make from glass. See Template:L and Template:L for more information.