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JACINTH

Miscellaneous

• Family: None
• Region: None
• Mined At: Unspecified
• Raw Mineral: Yes
• Generic: No

Notes

(Richard Willis)

Mineral, of the ideal form Zr(SiO₄) with a typical empirical analysis of ZrO₂ 67.01%, SiO₂ 32.99%, with traces of U, Th, rare earths, H₂O in zircon’s cirtolite variation, Y, Nb in naegite, Hf in alvite, rare earths in oymalite, and so forth.
Hardness: 7.3 Density: 4.3-4.7 Weakly soluble in acids, not in water.
Jacinth is sometimes referred to as a reddish-orange pseudo-variety of amethyst or sapphire. In fact, it is mineralogically a variety of zircon, a popular substitute for tin as an opacifier in its commercially available oxides.

Authors

• Richard Willis (Owner)

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