Most Total Time Spent in Space. Soviet cosmonaut Sergei Krikalev holds this record, with a little more than 803 days accrued over six spaceflights. That's more than two years and two months spent zipping around the Earth.
Natural citrines are rare. Most commercial citrine is heat-treated amethyst or smoky quartz. Because the color is now caused by finely distributed iron minerals (mostly hematite and goethite), heated amethyst is not a citrine in the strict sense.Quartz colored by inclusions of any kind is not called a citrine.atural citrines are rare. Most commercial citrine is heat-treated amethyst or smoky quartz. Because the color is now caused by finely distributed iron minerals (mostly hematite and goethite), heated amethyst is not a citrine in the strict sense. Quartz colored by inclusions of any kind is not called a citrine.
Citrine is a fabulous stone to use to combat negative energy of any kind by breaking them up and dissipating them. It is helpful to clear unwanted energies from the environment, whether it be home, office, car, or other space indoors or out.ince citrine brings self-confidence as well as positive energy, it can also help eliminate fears of being judged or of others' ideas. It is also used to dissipate fear of being alone or unworthy of love. Citrine is a happy stone. It can bring happiness to the person who carries or wears it.