> For the complete documentation index, see [llms.txt](https://doc.cryptostone.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.cryptostone.org/mining-system/12_limited_supply_by_stone_type.md).

# 12 Supply by Stone

The 12 stones of CryptoStone each have different total issuance quantities. This structure gives primary scarcity to the Stone Type itself.

| Month     | STONX      | Meaning    | Max Supply |
| --------- | ---------- | ---------- | ---------: |
| January   | Garnet     | Friendship |    160,000 |
| February  | Amethyst   | Sincerity  |    170,000 |
| March     | Aquamarine | Happiness  |    180,000 |
| April     | Diamond    | Love       |    110,000 |
| May       | Emerald    | Luck       |    120,000 |
| June      | Pearl      | Wealth     |    150,000 |
| July      | Ruby       | Peace      |    130,000 |
| August    | Spinel     | Wisdom     |    190,000 |
| September | Sapphire   | Truth      |    140,000 |
| October   | Opal       | Hope       |    200,000 |
| November  | Topaz      | Health     |    210,000 |
| December  | Zircon     | Victory    |    220,000 |

The maximum total supply of Gem NFTs is as follows.

**Total Gem NFT Max Supply = 1,980,000**

Diamond has the lowest supply, while Zircon has the highest supply. Therefore, Stone Type itself becomes one element of scarcity.

From a global collection perspective, the supply share of a specific stone (j) can be expressed as follows.

$$
P\_{STONX,j} = N\_j \div N\_{total}
$$

Here, (N\_j) is the maximum supply of a specific stone, and (N\_{total}) is the maximum total supply of all Gem NFTs. This value may be used as a basic value to explain the relative scarcity of Stone Types in the probability-based rarity indicator described later.

The total Gem NFT supply of CryptoStone does not mean a simple issuance quantity of a rare NFT collection. It refers to the total reserves of a long-term mining-based digital gemstone asset group composed of 12 stone pools and multi-layered attribute combinations. Scarcity is not determined solely by total quantity. Stone Type, mining time, halving stage, Weight, Color, Clarity, Cut, tokenId, and Probability Rarity Index all interact.

Therefore, the total supply of 1,980,000 in CryptoStone should be interpreted not as a mass issuance structure for a short-term minting event, but as the total reserves of a digital gemstone ecosystem designed so that various participants can mine different STONX and attribute combinations over a long period of time.


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