CitrineCitrine is well known in the gem world, but a large percentage of Citrine gems on the market have been heated to turn them yellow. Typically, these stones start out as natural Amethyst and are altered to create the yellow color. This practice is perfectly safe and accepted in the gem world, provided the buyer knows they are purchasing a heated stone. This particular stone was more than likely an Amethyst that was heated to create the color. With that

The luster on the Aquamarines is very good

gemmy crystals are almost impossible to obtain from any locality

small cabinet sized specimen hosts gorgeous compound groups of flattened / stacked rhombohedral crystals of glowing bright pink manganese-bearing Calcite aesthetically sitting atop associated rhombic pinkish-grey Calcite on silvery bladed Lollingite matrix

sharp "sword"-shaped prisms intermixed with contrasting red argillaceous sandstone

as the locals seem to be charging more and more for them after each new find

and only a few pockets with fine crystals have been discovered

This specimen exhibits the top emerald green color (impossible to replicate in photos) that made these specimens so famous

Most of the crystals are in excellent condition but it is contacted on the back

higly lustrous crystals of Vivianite elegantly set atop red argillaceous sandstone matrix

One of the rarely seen “tête noire” / “testa nera” (black head) Tourmalines from Vohitrakanga

they were able to verify that these specimens were indeed Hopeite

and it’s because of twins like this