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A DEFINITIVE GEOLOGICAL RECORD. CATALOGING SPECIMENS ACROSS THE WORLD'S MOST SOUGHT-AFTER FAMILIES.

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Achroite

TOURMALINE (ELBAITE VARIETY) · CYCLOSILICATE (BOROSILICATE) MOHS 7–7.5
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Afghanite

FELDSPATHOID · CANCRINITE GROUP (TECTOSILICATE) MOHS 5.5–6
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MOHS
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Agate

QUARTZ MOHS 6.5–7
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Ajoite

COPPER SILICATE (IN QUARTZ) MOHS 6.5–7
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Alexandrite

CHRYSOBERYL MOHS 8.5
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Almandine

SILICATE (GARNET GROUP) MOHS 7–7.5
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Amazonite

FELDSPAR MOHS 6–6.5
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Amber

ORGANIC (FOSSILIZED RESIN) MOHS 2–2.5
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Amethyst

QUARTZ MOHS 7
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Ametrine

QUARTZ MOHS 7
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Ammolite

ORGANIC (FOSSILIZED SHELL) MOHS 3.5–4
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Andalusite

NESOSILICATE MOHS 6.5–7.5
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Chiastolite

ALUMINUM SILICATE MOHS 6.5–7.5
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Angelite

ANHYDRITE MOHS 3.5
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Anglesite

SULFATE MOHS 2.5–3
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Ankerite

CARBONATE MOHS 3.5–4
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Antigorite

PHYLLOSILICATE (SERPENTINE GROUP) MOHS 3.5–4
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Apatite

PHOSPHATE MOHS 5
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Apophyllite

PHYLLOSILICATE MOHS 4.5–5
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Aquamarine

BERYL MOHS 7.5–8
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Aquatine Calcite

CARBONATE MOHS 3
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Aragonite

CARBONATE MOHS 3.5–4
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Arfvedsonite

INOSILICATE (AMPHIBOLE) MOHS 5–6
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Aura Quartz

QUARTZ (MAN-ENHANCED) MOHS 7
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QUARTZ MOHS
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CARBONATE MOHS
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MOHS
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QUARTZ (CHALCEDONY) MOHS 6.5–7
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Azurite

CARBONATE MOHS 3.5–4
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Barite

SULFATE MOHS 3–3.5
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Benitoite

CYCLOSILICATE MOHS 6–6.5
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MOHS
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Red Beryl

BERYL MOHS 7.5–8
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Bismuth Crystal

NATIVE ELEMENT MOHS 2–2.5
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Black Kyanite

NESOSILICATE MOHS 4.5–7 (variable by direction)
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Black Tourmaline

CYCLOSILICATE MOHS 7–7.5
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Bloodstone

QUARTZ (CHALCEDONY) MOHS 6.5–7
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Blue Apatite

PHOSPHATE MOHS 5
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Blue Aragonite

CARBONATE MOHS 3.5–4
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Blue Calcite

CARBONATE MOHS 3
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Blue Halite

HALITE MOHS 2.5
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Blue John Fluorite

HALIDE MOHS 4
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Blue Kyanite

NESOSILICATE MOHS 4–7 (variable)
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Blue Lace Agate

QUARTZ (CHALCEDONY) MOHS 6.5–7
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Blue Onyx

QUARTZ (CHALCEDONY) MOHS 6.5–7
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Blue Tiger’s Eye

QUARTZ (SILICON DIOXIDE) MOHS 6.5–7
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MOHS
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REGISTRY RECORD V77.0

SERIAL ID
FAMILY
MOHS SCALE
SYSTEM
CHAKRA
CELESTIAL
FORMULA
ZODIAC
SAFETY
AQUA INTEGRITY
SOLAR RISK
PURIFICATION