Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania
Inclusions of gilalite aggregates in rock crystal from Brazil
Fluid inclusions in quartz with bituminous daughter minerals, China
Fire opal, Mexico
Colour zoning in ruby from Mong-Shu, Burma
Dendrites in agate
Two-Phase inclusions and rutile needles in rock crystal from Brazil
Spinel crystal in dolomite marble, Burma

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