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

Pink Tourmaline

TOURMALINE MOHS 7–7.5

Trolleite

PHOSPHATE MINERALS MOHS 5–5.5

Turquoise

PHOSPHATE MINERALS MOHS 5–6

Natural Turquoise

PHOSPHATE MINERALS MOHS 5–6

Ulexite

BORATE MINERALS MOHS 2.5

Unakite

IGNEOUS ROCK (GRANITE) MOHS 6–7

Uraninite

OXIDE MOHS 5–6

Vanadinite

PHOSPHATE MINERALS MOHS 2.5–3

Variscite

PHOSPHATE MINERALS MOHS 3.5–4.5

Vesuvianite

SOROSILICATES MOHS 6–7

Vivianite

PHOSPHATE MINERALS MOHS 1.5–2

Wavellite

PHOSPHATE MINERALS MOHS 3.5–4

Weloganite

CARBONATE MINERALS MOHS 3.5–4

MOHS

Wulfenite

MOLYBDATE MOHS 2.5–3

MOHS

Yellow Fluorite

HALIDE MINERALS MOHS 4

Zebra Jasper

CHALCEDONY (QUARTZ) MOHS 6.5–7

Zeolite (Mix)

TECTOSILICATES MOHS 3.5–5

Zincite

OXIDE MINERALS MOHS 4–4.5

Zircon

NESOSILICATE MOHS 6.5–7.5

Zoisite

NESOSILICATE MOHS 6–6.5
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