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Dungeon Master Assistance

A place to share thoughts and ideas about Dungeons and Dragons

Tag Archives: Gems

Gems for Dungeons and Dragons

Here is some information regarding D&D gems. I started with the official D&D information and expanded on it. I use this information in my games.

Gems1

 

 

 

 

Standard gems carried by adventurers are 1/4″ in diameter. They are carried in small leather or cloth bags tied securely with a string or leather strap. Unless your character is carrying an extremely large number of gems, their weight is insignificant and you do not have to keep track of it. The information listed here is provided for those rare occasions when your character may need to carry an exceptionally large gem or a very large number of gems.

In the real world, gem sizes do not determine weight. The density of gems varies from very light stones like opal to especially heavy stones like sphalerite or zircon. To keep it simple for D&D I am keeping the weight of all gems the same and only vary the value depending on gemstone type and size. The price per carat does not increase smoothly with increasing size. (One 4 carat gem is more valuable than four 1 carat gems.) To allow for larger stones in my game they don’t increase quite as fast as they do in the real world. I justify this by saying that larger stones are not as rare in my world.

All gems listed here are round faceted and have the same depth as their diameter making them roughly spherical (think 20 sided dice).

Size Weight Value Number of gems this size that will fit in one cubic foot of space
6″ Dia. (size of small human skull) 31,000 carats 14 lbs. Base value x 50,000 8
3″ Dia.(large fist size) 4,856 carats 2 lbs. Base value x 5,000 64
2″ Dia. (que ball size) 1,133 carats 1/2 lb. Base value x 1,000 216
1″ Dia. (Very Large – fits snugly into an empty eye-socket) 145 carats 0.064 lbs. (16 = 1 lb.) Base value x 100 1,728
1/2″ Dia. (Large – marble size) 18 carats 0.008 lbs (125 = 1 lb.) Base value x 10 13,824
1/4″ Dia. (Medium – standard size) 2 carats 0.001 lbs.(1,000 = 1 lb.) base value 110,592
1/8″ Dia. (Small) 0.3 carats 0.000125 lbs. (8,000 = 1 lb.) base value / 10 884,736

All gems weigh 110 lbs. per cubic foot (should you be so fortunate as to need to know this).

Gem Base Value
agateagate (banded, eye, or moss ) 10 gp
azuriteazurite
quartz - bluequartz (blue)
hematitehematite
lapis lazulilapis lazuli
malachitemalachite
obsidianobsidian
rhodochrositerhodochrosite
tiger eyetiger eye
turquoiseturquoise
pearl freshwaterfreshwater (irregular) pearl
bloodstonebloodstone 50 gp
carneliancarnelian
chalcedonychalcedony
chrysoprasechrysoprase
citrinecitrine
ioliteiolite
jasperjasper
moonstonemoonstone
onyxonyx
peridotperidot
rock crystalrock crystal (clear quartz)
sardsard
sardonyxsardonyx
quartz rosequartz (rose, smoky, or star rose)
zirconzircon
amberamber 100 gp
amethystamethyst
chrysoberylchrysoberyl
coralcoral
garnet redgarnet (red or brown-green )
jadejade
pearlpearl (white, golden, pink, or silver )
spinel redspinel (red, red-brown or deep green)
tourmalinetourmaline
alexandritealexandrite 500 gp
aquamarineaquamarine
garnet violetgarnet (violet )
pearl blackpearl (black)
spinel deep bluespinel (deep blue)
topaz golden yellowtopaz (golden yellow )
emeraldemerald 1,000 gp
opalopal (white, black, or fire )
sapphire bluesapphire (blue)
corundumcorundum (fiery yellow or rich purple)
sapphire black starsapphire (blue or black star )
ruby starruby (star)
emerald bright greenemerald (clearest bright green) 5,000 gp
diamond blue-whitediamond (blue-white, canary, pink, brown, or blue)
jacinthjacinth

Here is very nice Gemstone Generator that gives you a random selection of gems based on the starting GP value selected. This is good for those times that the characters find a bag of gems:
http://www.pbegames.com/gemstone/

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