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Difference between revisions of "Spheres"
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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.{{
The table to the left presents the mass and diameter of the gemstone in each denomination, assuming a uniform round cut.
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