It occurs associated with apatite, whitlockite, childreniteeosphorite, laueite, strunzite, stewartite, mitridatite, amblygonite and siderite.
en.wikipedia.org Small amounts of nepheline may be present and apatite is a common accessory mineral.
en.wikipedia.org If left untreated, the increased alkalinity can lead to the formation of crystals of struvite, calcium carbonate, and/or apatite.
en.wikipedia.org If crystals of rutile have grown in the crystal of apatite, in the right light the cut stone displays a cat's eye effect.
en.wikipedia.org The other two new minerals are robertsite and janggunite, while the eight previously known cave minerals include calcite, gypsum, apatite, variscite, strengite, manganite, rodocrosite and pirolusite.
globalnation.inquirer.net