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iron and manganese substitute for the magnesium in the pyrope structure.
iron and manganese substitute for the magnesium in the pyrope structure.

the semi-precious stone rhodolite is a garnet of ~70% pyrope composition.
the semi-precious stone rhodolite is a garnet of ~70% pyrope composition.

the resultant, mixed composition garnets are defined according to their pyrope-almandine ratio.
the resultant, mixed composition garnets are defined according to their pyrope-almandine ratio.

pyrope is common in peridotite xenoliths from kimberlite pipes, some of which are diamond-bearing.
pyrope is common in peridotite xenoliths from kimberlite pipes, some of which are diamond-bearing.

these varieties are known as "chrome-pyrope", or "g9"/"g10" garnets.
these varieties are known as "chrome-pyrope", or "g9"/"g10" garnets.

in that massif, nearly pure pyrope occurs in crystals to almost 12 cm in diameter; some of that pyrope has inclusions of coesite, and some has inclusions of enstatite and sapphirine.
in that massif, nearly pure pyrope occurs in crystals to almost 12 cm in diameter; some of that pyrope has inclusions of coesite, and some has inclusions of enstatite and sapphirine.

pyrope also occurs in ultrahigh-pressure (uhp) metamorphic rocks, as in the dora-maira massif in the western alps.
pyrope also occurs in ultrahigh-pressure (uhp) metamorphic rocks, as in the dora-maira massif in the western alps.

the origin of most pyrope is in ultramafic rocks, typically peridotite from the earth's mantle: these mantle-derived peridotites can be attributed both to igneous and metamorphic processes.
the origin of most pyrope is in ultramafic rocks, typically peridotite from the earth's mantle: these mantle-derived peridotites can be attributed both to igneous and metamorphic processes.

la granada almadina se aprovecha sobre todo en la joyería oriental, la granada checa, mundialmente conocida y llamada pyrop se explota en la región de turnov.
almandin garnet, which was found in this rock, is used in jewellery mostly in the east, the renowned czech garnet called pyrop is obtained from sand sediment in turnov and its surroundings.