Minerals
Minerals are naturally occurring inorganic substances with a specific chemical composition and crystalline structure. They are the building blocks of rocks and are classified by their chemical composition and crystal system.
Showing 4981-5040 of 5,084 specimens
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Xenotime
Hardness: 4.5
Xenotime-(y)
Hardness: 4 - 5
Xenotime-(yb)
Xiangjiangite
Hardness: 1 - 2
Xieite
Xifengite
Hardness: 5
Xilingolite
Hardness: 3
Ximengite
Hardness: 4.5
Xingzhongite
Hardness: 6
Xitieshanite
Hardness: 2.5
Xocolatlite
Hardness: 2 - 3
Xocomecatlite
Hardness: 4
Xonotlite
Hardness: 6.5
Xuite
Yafsoanite
Hardness: 5.5
Yagiite
Hardness: 5 - 6
Yakhontovite
Hardness: 2 - 3
Yakovenchukite-(y)
Hardness: 5
Yancowinnaite
Hardness: 3
Yangite
Hardness: 5
Yangzhumingite
Hardness: 3
Yanomamite
Hardness: 3 - 4
Yarlongite
Hardness: 5.5 - 6
Yaroshevskite
Hardness: 3.5
Yaroslavite
Hardness: 4
Yarrowite
Hardness: 2.5
Yarzhemskiite
Yavapaiite
Hardness: 2.5 - 3
Yazganite
Hardness: 5
Ye'elimite
Yeatmanite
Hardness: 4
Yecoraite
Hardness: 3
Yedlinite
Hardness: 2.5
Yegorovite
Yeomanite
Yimengite
Hardness: 4
Yingjiangite
Hardness: 3 - 4
Yixunite
Hardness: 6
Yoderite
Hardness: 6
Yofortierite
Hardness: 2.5
Yoshimuraite
Hardness: 4.5
Yoshiokaite
Yttriaite-(y)
Hardness: 5 - 6
Yttrialite
Yttrialite-(y)
Hardness: 5 - 5.5
Yttropyrochlore
Yttrotantalite-(y)
Hardness: 5 - 5.5
Yttrotungstite-(ce)
Hardness: 1
Yttrotungstite-(y)
Hardness: 1
Yuanfuliite
Hardness: 5 - 6
Yuanjiangite
Hardness: 3.5 - 4
Yugawaralite
Hardness: 4.5
Yukonite
Hardness: 2 - 3
Yuksporite
Yurgensonite
Yurmarinite
Hardness: 4.5
Yushkinite
Hardness: 1
Yusupovite
Hardness: 5
Yvonite
Hardness: 3.5 - 4
Zabuyelite
Hardness: 3
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