Gemology glossary: grading report terms, 4 Cs, clarity, colored gemstones, how sparkle is measured
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define_term Read-only
The definition of one gemology term (for example 'crown angle', 'feather', 'fluorescence', 'scintillation', 'birefringence', 'cut grade'): a short definition, more detail, where it appears on a grading report, how Digital Gemology measures it, related terms, and its page.
The term, its abbreviation or another name for it.
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claude mcp add --transport http gemology-glossary https://digitalgemology.com/mcp/glossary
Tools (3)
define_termThe definition of one gemology term (for example 'crown angle', 'feather', 'fluorescence', 'scintillation', 'birefringence', 'cut grade'): a short definition, more detail, where it appears on a grading report, how Digital Gemology measures it, related terms, and its page.
read-only
The definition of one gemology term (for example 'crown angle', 'feather', 'fluorescence', 'scintillation', 'birefringence', 'cut grade'): a short definition, more detail, where it appears on a grading report, how Digital Gemology measures it, related terms, and its page.
| Argument | Type | Description |
|---|---|---|
| term* | string | The term, its abbreviation or another name for it. |
Input schema (JSON)
{
"type": "object",
"required": [
"term"
],
"properties": {
"term": {
"type": "string",
"description": "The term, its abbreviation or another name for it."
}
},
"additionalProperties": false
}list_glossaryEvery term in the glossary, or in one topic, with a one-line definition and its page. The topics: Grading report, Four Cs, Anatomy and proportions, Clarity characteristics, Color and fluorescence, Light performance, How we measure, Optics, Gem testing, Gemstone properties, Colored gemstones, Treatments and origin, Diamond and simulants, Cuts and shapes, Cutting and files.
read-only
Every term in the glossary, or in one topic, with a one-line definition and its page. The topics: Grading report, Four Cs, Anatomy and proportions, Clarity characteristics, Color and fluorescence, Light performance, How we measure, Optics, Gem testing, Gemstone properties, Colored gemstones, Treatments and origin, Diamond and simulants, Cuts and shapes, Cutting and files.
| Argument | Type | Description |
|---|---|---|
| topic | string | Only terms in this topic; all if left out. |
Input schema (JSON)
{
"type": "object",
"properties": {
"topic": {
"enum": [
"Grading report",
"Four Cs",
"Anatomy and proportions",
"Clarity characteristics",
"Color and fluorescence",
"Light performance",
"How we measure",
"Optics",
"Gem testing",
"Gemstone properties",
"Colored gemstones",
"Treatments and origin",
"Diamond and simulants",
"Cuts and shapes",
"Cutting and files"
],
"type": "string",
"description": "Only terms in this topic; all if left out."
}
},
"additionalProperties": false
}search_glossaryFind glossary terms by a word or a question (for example 'what do the girdle words mean', 'inclusions near the surface', 'why does a diamond sparkle'). Returns each match with its definition and page.
read-only
Find glossary terms by a word or a question (for example 'what do the girdle words mean', 'inclusions near the surface', 'why does a diamond sparkle'). Returns each match with its definition and page.
| Argument | Type | Description |
|---|---|---|
| limit | integer | How many terms to return, 1 to 20; 8 if left out. |
| query* | string | A word, a few words or a question. |
| topic | string | Only terms in this topic. |
Input schema (JSON)
{
"type": "object",
"required": [
"query"
],
"properties": {
"limit": {
"type": "integer",
"default": 8,
"maximum": 20,
"minimum": 1,
"description": "How many terms to return, 1 to 20; 8 if left out."
},
"query": {
"type": "string",
"description": "A word, a few words or a question."
},
"topic": {
"enum": [
"Grading report",
"Four Cs",
"Anatomy and proportions",
"Clarity characteristics",
"Color and fluorescence",
"Light performance",
"How we measure",
"Optics",
"Gem testing",
"Gemstone properties",
"Colored gemstones",
"Treatments and origin",
"Diamond and simulants",
"Cuts and shapes",
"Cutting and files"
],
"type": "string",
"description": "Only terms in this topic."
}
},
"additionalProperties": false
}Security checkA100/100
We read every tool's name, description and inputs the way the model will, looking for instructions hidden from you. A clean result means no warning signs, not a guarantee. Scanned Nov 1, 2026.
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