Difference between revisions of "Spheres"

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{{culture
|image=Spheres (close up) by Nozomi Matsuoka.png
|image=Emerald sphere.jpg
|type={{cat tag|Currencies|Currency}}
|world=Roshar
|books=[[The Stormlight Archive]]
}}
{{update|sa4}}
 
'''Spheres''' are the primary currency in most nations on [[Roshar]]. Each one consists of a [[gemstone]] encased in a glass bead. Gemstones, including the ones in spheres, can temporarily hold [[Investiture]] in the form of [[Stormlight]], offering both a source of light{{book ref|sa1|3}} and fuel for [[Surgebinding]]s.{{book ref|sa1|prologue}} Like all gemstones, spheres naturally leak any Stormlight they have absorbed, over a period of about a Rosharan week.{{book ref|sa1|17}} This has led to the practice of leaving spheres out during highstorms so they can be recharged. Rosharans use the terms '''infused''' and '''dun''' to differentiate between spheres that hold Stormlight at the moment, and ones that have gone dark. They were first devised as an alternative to large open flames, as Roshar's atmosphere has a high oxygen content, making flames behave somewhat differently.{{au ref|Rosharan }}
 
== Appearance ==
{{row| Mark | 0.5{{wob ref|10400}} | 100 | 5{{ref|name=igs}}{{ref|name=diamondnexus}} | pre={{!}} style="text-align:center;" {{!}} | pre1={{!}} style="text-align:left; font-weight:bold;" {{!}} }}
{{row| Broam | 2.0{{wob ref|10400}} | 400 | 8{{ref|name=igs}}{{ref|name=diamondnexus}} | pre={{!}} style="text-align:center;" {{!}} | pre1={{!}} style="text-align:left; font-weight:bold;" {{!}} }}
| colspan=4| '''Kivs''' seem to be a measurement of gem weight on Roshar.{{book ref|sa4|42}} Like other in-world units of<br> measurement, they are not well-defined.{{wob ref|1566}} Real-life measurements are used here for clarity.
|}
Each sphere is made of a tiny gemstone encased in a glass bead that is usually flattened on one side to keep the sphere from rolling away when set down.{{book ref|sa1|27}} The gemstone can belong to any one of the ten [[Polestone]]s{{wob ref|10402}} and can come in one of three different sizes. The glass bead is always a uniform size, a little larger than a person's thumb nail.{{book ref|sa1|3}}
 
Exact measurements for the glass beads or their embedded gemstones are not available, but they can be deduced from the known weights of each denomination's gemstone. Spheres gemstones come in three different sizes (see [[#Currency]] for more information), so taking the largest one - the one in the broam - allows for some reasonable estimates. The broam gemstone is about 8mm in diameter, assuming a uniform round cut.{{url ref|name=igs}}{{url ref|name=diamondnexus}} The distance between the thumb's fingertip and its first joint is about an inch{{url ref|name=lat}} (or 25.4mm), with the nail being roughly half of that, so a nail size of about 12mm is reasonable. Shallan's comment about spheres being slightly larger than a person's thumb nail suggests that spheres are likely in the neighborhood of 15mm to 20mm in diameter.
 
The table to the left presents the mass and diameter of the gemstone in each denomination, assuming a uniform round cut.
! colspan=3 style="background:#CCCCFF; text-align:center;" | '''Spherelight colors'''{{wob ref|10402}}
{{row| Gem type | Color | pre=! style="text-align:center; font-weight: bold;" {{!}} | pre2=! colspan=2 style="text-align:center; font-weight: bold;" {{!}} }}
{{row| Sapphire | Deep blue | &nbsp; | pre1={{!}} style="text-align:left; font-weight:bold;" {{!}} | pre3={{!}} style="background:#00008B0f3562;" {{!}} }}
{{row| Smokestone | TranslucentGrey | &nbsp; | pre1={{!}} style="text-align:left; font-weight:bold;" {{!}} | pre3={{!}} style="background:#FFFFFF5f5d68;" {{!}} }}
{{row| Ruby | Deep red | &nbsp; | pre1={{!}} style="text-align:left; font-weight:bold;" {{!}} | pre3={{!}} style="background:#8B0000b02d2c;" {{!}} }}
{{row| Diamond | TransparentWhite | &nbsp; | pre1={{!}} style="text-align:left; font-weight:bold;" {{!}} | pre3={{!}} style="background:#FFFFFF;" {{!}} }}
{{row| Emerald | Deep green | &nbsp; | pre1={{!}} style="text-align:left; font-weight:bold;" {{!}} | pre3={{!}} style="background:#0064001e4d39;" {{!}} }}
{{row| Garnet | Deep violetMaroon | &nbsp; | pre1={{!}} style="text-align:left; font-weight:bold;" {{!}} | pre3={{!}} style="background:#9400D36c011d;" {{!}} }}
{{row| Zircon | PaleDeep blueteal | &nbsp; | pre1={{!}} style="text-align:left; font-weight:bold;" {{!}} | pre3={{!}} style="background:#ADD8E6125064;" {{!}} }}
{{row| Amethyst | Pale violetViolet | &nbsp; | pre1={{!}} style="text-align:left; font-weight:bold;" {{!}} | pre3={{!}} style="background:#EE82EE672861;" {{!}} }}
{{row| Topaz | Pale orangeOrange | &nbsp; | pre1={{!}} style="text-align:left; font-weight:bold;" {{!}} | pre3={{!}} style="background:#FFA500d26840;" {{!}} }}
{{row| Heliodor | Light yellowYellow | &nbsp; | pre1={{!}} style="text-align:left; font-weight:bold;" {{!}} | pre3={{!}} style="background:#FFFFE0ebc965;" {{!}} }}
|}
Perhaps the most common use of the spheres is as a light source. Since the gemstones inside them have the ability to hold Stormlight, many Rosharans have adopted the habit of leaving their spheres out during highstorms (in cages or baskets, so they don't get lost or stolen) so they can get (re)charged. Much like the highstorms, Surgebinders are also able to recharge spheres, similarly to how [[Awakener]]s can store their [[Breath]]s in objects; the Surgebinder must already be Invested, at which point they can will some of their own Stormlight into a gem or sphere. Spheres are leaky containers for Stormlight, however (unlike the [[Polestone#Perfect_Gemstones|perfect gemstones]]), so they slowly lose their Stormlight to a process similar to evaporation. It takes several days for newly infused spheres to lose all of their Stormlight and become dun, though this amount of time varies slightly with the denomination of the spheres.
 
The table to the right lists all ten sphere types along with the spherelight color they emit.
 
{{Image|Spheres by Nozomi Matsuoka.png|side=left|height=250px|A variety of gemstones and spheres}}
 
== Currency ==
The gem size defines the three denominations of spheres (chip, mark, and broam), and therefore a fixed exchange rate between the different denominations of spheres of the same type. Within the same gem type, each broam is equivalent to four marks,{{wob ref|10400}} and each mark is equivalent to five chips{{book ref|sa1|3}} - making a broam equal to twenty chips.
 
The gem type is a little more complicated. The value of each type of sphere - and, therefore, the relative values of all types - is intrinsically tied to how valuable the given gemstone is in Soulcasting. This makes emeralds -- which can be used to Soulcast grain -- the most expensive kind of spheres,{{book ref|sa1|3}} while diamonds are the cheapest. The rest of the sphere types, however, don'tdo not all have unique values; instead, they fall within one of three tiers: '''prime pair''', '''middle weight''', and '''less weight'''.{{wob ref|10402}} Combined with the emerald and diamond spheres, this establishes a system with five distinct value tiers. The table below outlines the five tiers, lists the sphere types within each tier, and provides their monetary value expressed in '''diamond chips''', the smallest denomination of the least valued gemstone.
 
{| class="wikitable" style="margin:auto;"
 
For a full list of the known prices of goods and services, see '''this page'''.-->
 
=== Ends ===
Glass spheres that do not contain a gemstone are known as '''ends'''. They serve as fake money that can be used to play wagering games such as [[pieces]] if the players do not wish to risk real spheres.{{book ref|sa3|40}}
For Surgebinders - including both pre-Recreance [[Knights Radiant]] and [[Dalinar]]'s newly restored Orders, as well as wielders of [[Honorblade]]s such as [[Szeth]] prior to his death - the spheres, much like ordinary gemstones, act as a portable, convenient, and inconspicuous source of Stormlight to power their [[Surgebinding|abilities]]. Because of this, Surgebinders often carry pouches full of infused spheres, although if they find themselves in a situation where their own spheres are unavailable, inaccessible, or dun, they are often able to make use of spheres frequently found in the environment.
 
In the days after [[Kaladin]]'s promotion to a captain in [[Dalinar]]'s army, [[Sigzil]] attempts to establish a baseline for how efficient Kaladin's use of a [[Surgebinding#Full_Lashing|Full Lashing]] is by measuring the amount of time it takes for a Lashing powered by the Stormlight from a single diamond chip to run out,. firstThe withstone [[Rock]] hanging from a stoneremains lashed to the wall (20for seconds),somewhere thenbetween by87 aand stone lashed without an attached weight (about 87-91 seconds). Sigzil admits, however, that without a clock to track time or a way to quantify variations in how much Stormlight is in a sphere, that thesethe measurements are imprecise.{{book ref|sa2|12}} Since arriving in [[Urithiru]], he has continued to attempt precision measurements of Surgebinding,{{book ref|sa3|46}} though it is unclear how far he has gotten.
 
=== Shadesmar Currency ===
{{partial}}
{{Stormlight}}
[[es:Esferas]]
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