Properties & Information
Heliodor
HeliodorSCIENCE / MINERALOGYHeliodor is a yellow to yellow-green gem variety of beryl, Be₃Al₂Si₆O₁₈. Iron in different oxidation states produces its golden, straw, or greenish-yellow coloration. It crystallizes in the hexagonal...
Heliodor
HeliodorSCIENCE / MINERALOGYHeliodor is a yellow to yellow-green gem variety of beryl, Be₃Al₂Si₆O₁₈. Iron in different oxidation states produces its golden, straw, or greenish-yellow coloration. It crystallizes in the hexagonal...
Healer's Gold
Healer's GoldSCIENCE / MINERALOGYHealer's Gold is a trade name generally applied to natural intergrowths of pyrite and magnetite. Pyrite is iron sulfide, FeS₂, while magnetite is iron oxide, Fe₃O₄. The...
Healer's Gold
Healer's GoldSCIENCE / MINERALOGYHealer's Gold is a trade name generally applied to natural intergrowths of pyrite and magnetite. Pyrite is iron sulfide, FeS₂, while magnetite is iron oxide, Fe₃O₄. The...
Hazu Tonalite
Hazu TonaliteSCIENCE / MINERALOGYHazu Tonalite is a locality trade name for tonalite from the Hazu region of Japan. Tonalite is a coarse-grained intrusive igneous rock dominated by plagioclase feldspar and...
Hazu Tonalite
Hazu TonaliteSCIENCE / MINERALOGYHazu Tonalite is a locality trade name for tonalite from the Hazu region of Japan. Tonalite is a coarse-grained intrusive igneous rock dominated by plagioclase feldspar and...
Harquahala
HarquahalaSCIENCE / MINERALOGYHarquahala is a locality trade name for an ornamental rock from southwestern Arizona containing green epidote within a pink granitic matrix. The pink host is feldspar-rich granite or...
Harquahala
HarquahalaSCIENCE / MINERALOGYHarquahala is a locality trade name for an ornamental rock from southwestern Arizona containing green epidote within a pink granitic matrix. The pink host is feldspar-rich granite or...
Hanksite
HanksiteSCIENCE / MINERALOGYHanksite is a rare sodium-potassium sulfate-carbonate-chloride mineral with the formula commonly written Na₂₂K(SO₄)₉(CO₃)₂Cl. It crystallizes in the hexagonal system and forms transparent to translucent prismatic or tabular crystals...
Hanksite
HanksiteSCIENCE / MINERALOGYHanksite is a rare sodium-potassium sulfate-carbonate-chloride mineral with the formula commonly written Na₂₂K(SO₄)₉(CO₃)₂Cl. It crystallizes in the hexagonal system and forms transparent to translucent prismatic or tabular crystals...
Hackmanite With Ijolite
Hackmanite With IjoliteSCIENCE / MINERALOGYHackmanite With Ijolite is a combination rock in which blue to violet hackmanite occurs within dark ijolite. Hackmanite is a tenebrescent sodalite variety, while ijolite is...
Hackmanite With Ijolite
Hackmanite With IjoliteSCIENCE / MINERALOGYHackmanite With Ijolite is a combination rock in which blue to violet hackmanite occurs within dark ijolite. Hackmanite is a tenebrescent sodalite variety, while ijolite is...