21. Microcrystalline waxes when produced by wax refiners are typically produced to meet a number of ASTM specifications.22. Two main types may be recognized by means of the microscope; the felsitic and the microcrystalline . 23. Figure 1 shows a typical water sorption result from a DVS experiment for a microcrystalline cellulose sample. 24. A protocrystalline phase is a distinct phase occurring during crystal growth which evolves into a microcrystalline form. 25. Is a brand of microcrystalline wax polish that is widely encountered in antique restoration and museum curation. 26. Or, to be more specific, beeswax, carnauba, paraffin, ozokerite, microcrystalline and candelilla. 27. As a whole those quartz-porphyries that have microcrystalline ground-masses are rocks of intrusive origin. 28. An amorphous silicon ( a-Si ) solar cell is made of non-crystalline or microcrystalline silicon. 29. Microcrystalline waxes can generally be put into two categories : " laminating " grades and " hardening " grades.30. The grayish-purple to grayish-red conglomerate and sandstone is cemented largely by hematite and microcrystalline quartz.