Birthstone Month Color Lookup
One illustrative modern birthstone per month, not exhaustive or gem-authentication data; alternative traditions vary.
Description
Birthstone Month Color Lookup: look up a supported built-in reference entry.
Birthstone lists associate calendar months with selected stones. Stone colors and accepted alternatives can vary.
This tool returns a built-in reference entry for an exact supported selector. The supported entries and their scope are part of the tool; no website or current external table is queried.
When to use this tool
Use this tool when the supplied inputs match the specific operation described above and you need a repeatable result under its stated convention.
- Check the supported input and output contract against an existing calculation or observation.
- Use the complete example to confirm units, selector spelling and result interpretation.
How to use the tool and how it works
- Enter every field in the input table using the stated units and the exact supported selector spelling where applicable.
- Run the tool. Correct input errors before interpreting an output.
- Read the result fields below; use accompanying flags and the stated sign, boundary or model convention when interpreting a number.
Match a month string from 1 through 12 to the stored stone-and-color note.1
| Input field | Meaning and units | Accepted input |
|---|---|---|
| month | Month. | Exact value: "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12" |
| month | Built-in entry |
|---|---|
| "1" | garnet: commonly deep red |
| "2" | amethyst: purple |
| "3" | aquamarine: pale blue |
| "4" | diamond: commonly colorless |
| "5" | emerald: green |
| "6" | pearl: commonly white/cream |
| "7" | ruby: red |
| "8" | peridot: yellow-green |
| "9" | sapphire: commonly blue |
| "10" | opal: variable play of color |
| "11" | topaz: variable, commonly yellow/orange |
| "12" | turquoise: blue-green |
| Output field | Interpretation |
|---|---|
| result | Object containing the following named result fields. |
| result.reference | The stored entry for the exact selected key; its type may be text, a number or a list. |
{
"input": {
"month": "5"
},
"output": {
"result": {
"reference": "emerald: green"
}
}
}Limitations and assumptions
- This is the tool's selected list, not an exhaustive gemological classification or an authenticity test.
- Every declared field is required and unexpected fields are rejected. Numeric inputs must be finite; input errors are distinct from a valid false result or an explicitly qualified output.
- Extremely large inputs and nonfinite or excessively large outputs are rejected. List positions reported by the tool use zero-based indices unless stated otherwise.
Alternative or Complementary methods
Check the underlying observations, units and conventions independently before using the result in a larger workflow. The tools listed below address nearby tasks; compare their inputs and scope before substituting one for this operation.
References
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