See Unicode Technical Report #25
Size | Circles | Squares | Diamonds | Lozenges | Triangles |
---|---|---|---|---|---|
Large | ◯ / ⬤ 25EF/2B24 | ⬛ / ⬜ 2B1B/2B1C | |||
Normal | ● / ○ 25CF/25CB | ■ / □ 25A0/25A1 | ◆ / ◇ 25C6/25C7 | ⧫ / ◊ 29EB/25CA | ▲ /△ 25B2/25B3 etc. |
Medium | ⚫ / ⚪ 26AB/26AA | ◻ / ◼ 25FB/25FC | ⬥ / ⬦ 2B25/2B26 | ⬧ / ⬨ 2B27/2B28 | |
Med. Small | ⦁ / ⚬ 2981/26AC | ◽ / ◾ 25FD/25FE | 🞙 1F799 | 🞟 1F79F | |
Small | • / ◦ 2022/25E6 | ▪ / ▫ 25AA/25AB | ⋄ / ⬩ 22C4/2B29 | ⬪ / ⬫ 2B2A/2B2B | ▴ / ▵ 25B4/25B5 etc. |
Very Small | ∙ / ∘ 2219/2218 | ⬝ / ⬞ 2B1D/2B1E | 🞘 1F798 | 🞞 1F79E | |
Tiny | ⋅ 22C5 | 🞌 1F78C | 🞗 1F797 | 🞝 1F79D |
These are listed as something other than geometrical shapes:
00B7 is middle dot
2218, 2219 are math ring and bullet operators
22C4, 22C5 are math diamond and dot operator
2981 is a math "z-notation" spot operator