金属蓝是蜘蛛中对洞穴有偏爱的品种
还有橙色、淡紫以及金属蓝。
科学家用三年的时间研发这款“铱金蓝宝”，剃须刀柄由99.9%纯度的铱制成。 铱是抗腐蚀性最强的顶级金属，只能在陨星中找到。
Researchers spent three years developing the Zafirro Iridium, which has a handle made of 99.9 per cent pure iridium - the most corrosion-resistant platinum metal, found only in meteorites.
锇：是一种密度大的自然元素——其密度是铅的两倍——这种蓝灰色的金属在需要硬度和稳定性的应用领域大放异彩。
Osmium (Os) : The densest of natural elements-twice as dense as lead-this blue-grey metal finds a home in applications where hardness and durability are essential.
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