I would be very interested in the article you have available for assignment. I have worked on many different kinds of aticles but I do not own the rights to most. This was on a mineral and I have leave to use it.
Apatite
Apatite is a part of a group of phosphate rich minerals. Some of the possible names in this group are: hydroxylapatire, fluorapatite chlorapatite, agustite, augustite pyroguanite phosphate of lime, and there are several more.
The name of the stone comes from the Greek apatein which means to deceive. This is because apatite is and was often mistaken for other materials such as beryl and milarite just as examples. Apatite is the scientific name. The type of rock is sedimentary, phosphate.
Apatite comes in colors ranging from brown to green and on into yellow, blue and colorless. The crystal structure is hexagonal, and the shape can be prismatic to granular. This rock and produce and use microbiological systems. This rock defines the number 5 on the Mohs scale of hardness. Gem quality of Apatite come chiefly from Brazil, Mexico and, Burma. The color can fade with exposure to ultra violet light. And one of the blue forms can be called moxite.
This is sometimes used to create the fluoride used in toothpastes and in water supplies. The most common use is in making fertilizers. Rare earths are commonly found with apatite and in general they have the advantage of not being radioactive.
There seems to be a connection to the Egyptian Star Walkers of myth. They wer