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lapis

The name "blue stone" comes from the Arabic-Latin. Since Lapislazuli rarely occurs purely, it can almost be described as rock. Freed pyrite on the lapis is desirable and is seen as evidence of its authenticity. The colour can be improved by low heating.

LAPISLAZULI (Lapis, Lasurstein)
Colour: lasurblau, violet, greenish-blue
Mohs hardness: 5.0-6.0
Density: 2.5-3.0
Transparency: inscrutable
Break: meek, grainy
Subgroups
  • lapis
    nameØtypeType of cutPUitem No.
    lapiz lazuli3,0 mmreal, genuineCabochon round1488530
    lapiz lazuli4.0 mmreal, genuineCabochon round1488540
    lapis lazuli5.0 mmreal, genuineCabochon round1488550
    lapis lazuli6.0 mmreal, genuineCabochon round1488560
    lapis lazuli7.0 mmreal, genuineCabochon round1488570
    lapis lazuli8.0 mmreal, genuineCabochon round1488580
    lapis lazuli10.0 mmreal, genuineCabochon round1488500

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