Aquarium guide
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Actinodiscus |
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Actinodiscus
Several species from this genus are available on the market, and they are easy
to keep. Their feeding, identical to that of the animals above, should take place
on a weekly basis, as Zooxanthellae supply a part of the substances they need to
live and they sometimes reject the food offered by the aquarist.

See also: |
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ТИТАНИТ (сфен) , минерал подкласса островных силикатов, CaTi[SiO4]O. Примеси TR, Fe, Al, Mn, Nb, Sn и др. Медово-желтые, зеленоватые, бурые, бесцветные кристаллы. Твердость 5-5,5; плотность 3,5-3,6 г/см3. Прозрачные разновидности титанитов - ювелирные камни.