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0010508Dwarf FortressItemspublic2018-01-09 00:022018-07-29 15:01
Japa 
Loci 
lowtweakalways
acknowledgedopen 
0.44.03 
 
0010508: "large" gems are actually smaller than cut gems.
Despite the name, large gems only have a volume of 5, compared to the volume of 20 for standard cut gems, meaning that the "large" gems are actually a quarter the size of standard gems.
Cut gems in a jewelers shop and check the weight.
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Issue History
2018-01-09 00:02JapaNew Issue
2018-01-09 13:24LociNote Added: 0037573
2018-01-09 13:24LociAssigned To => Loci
2018-01-09 13:24LociStatusnew => needs feedback
2018-01-09 13:39chaosvoltNote Added: 0037574
2018-01-09 13:45chaosvoltNote Edited: 0037574bug_revision_view_page.php?bugnote_id=0037574#r15223
2018-01-09 13:48chaosvoltNote Edited: 0037574bug_revision_view_page.php?bugnote_id=0037574#r15224
2018-01-09 13:51chaosvoltNote Edited: 0037574bug_revision_view_page.php?bugnote_id=0037574#r15225
2018-04-16 18:16HuntthetrollIssue Monitored: Huntthetroll
2018-07-29 15:01LociStatusneeds feedback => acknowledged

Notes
(0037573)
Loci   
2018-01-09 13:24   
All the weights I saw were "<1{Gamma?}" for both cut gems and large gems. What gems were you using, and where did you get the volumes from?
(0037574)
chaosvolt   
2018-01-09 13:39   
(edited on: 2018-01-09 13:51)
Wiki page claims it here: http://dwarffortresswiki.org/index.php/DF2014:Weight [^]

Easiest way to test this would be to mod in some reactions to generate the items made out of a material with stupidly high density, like slade, so that the items are heavy enough to facilitate comparing the weight.

EDIT: Quick screencaps to confirm this is indeed as bug report indicates: https://cdn.discordapp.com/attachments/173908541088858113/400391098213859348/image.png [^]

EDIT 2: For further reference, slade boulder has a weight of 20000 kilograms (that's what the measurement is evidently) while a rough slade gem (even less existent without reaction fuckery than cut slade gems) has a weight of 500.