A new find of rose quartz from Madagascar contained some unusual inclusions.
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Inclusions visible to the naked eye are common in almost all varieties of quartz apart from rose quartz.
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This contributor encountered parcels of rough and faceted scapolite that appeared strongly zoned to the unaided eye.
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Examination of strongly yellow diamonds from the Zimmi area of Sierra Leone revealed graphitised feather inclusions.
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This diamond contained an inclusion of pyrope-spessartine garnet that appeared greyish green in fluorescent light and purplish red in incandescent light.
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The uncommon occurrence of epigenetic malachite, as found in this quartz, can result in vivid green colour.
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This 9.12 gram amber composite featured a combination of natural and imitation amber, accompanied by natural and artificial insect inclusions.
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A quartz specimen collected from China's Hunan province contained inclusions of scheelite and hübnerite.
Read MoreExamination of a 0.40 ct near-colourless round brilliant diamond with a large inclusion resembling a dumbbell
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A prasiolite specimen displaying Brazil-law twinning, usually seen in the amethyst variety of quartz, is examined.
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