Property:Crystal/Hardness

Main article: Mohs scale

This property has type Text.

This property has certain allowed values:

very strong (more than 2.5 on Moh`s scale)
strong (more than 2 on Moh`s scale)
relatively strong (more than 1.5 on Moh`s scale)
fragile (more than 1.25 on Moh`s scale)
very fragile (less than 1.25 on Moh`s scale)

Usage70Synonyms1Constraint schema

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Showing 20 pages using this property.

A

Aluminum sulfate +

fragile +

Aluminum-ammonium sulfate +

fragile +

Aluminum-potassium sulfate +

relatively strong +

Ammonium dihydrophosphate +

relatively strong +

Ammonium nitrate +

fragile +

Ammonium pentachloroferrate(III) +

fragile +

Ammonium sulfate +

relatively strong +

Ammonium tetraborate +

relatively strong +

B

Bis-thetramethylethylenediaminecopper(II) nitrate +

relatively strong +

Bismuth(III) nitrate +

relatively strong +

Boric acid +

very fragile +

C

Calcium acetate +

very fragile +

Calcium carbonate +

very fragile +

Calcium nitrate +

relatively strong +

Calcium-ammonium nitrate +

fragile +

Chromium(III)-ammonium sulfate +

strong +

Chromium(III)-potassium sulfate +

strong +

Citric acid +

fragile +

Cobalt(II) nitrate +

fragile +

Copper(II) acetate +

very fragile +

Showing 1 related entity.

H

Property:Hardness +

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Preparing ...
{
    "type": "PROPERTY_CONSTRAINT_SCHEMA",
    "constraints": {
        "type_constraint": "_txt",
        "allowed_values": [
            "very strong",
            "strong",
            "relatively strong",
            "fragile",
            "very fragile"
        ]
    }
}