Rhodonite MnSiO₃

Locality: Franklin Furnace, New Jersey, USA

Element	%	Oxide	%
O	37.08
Mg	0.53	MgO	0.87
Si	21.46	SiO₂	45.98
Ca	4.56	CaO	6.40
Mn	29.15	MnO	37.66
Fe	1.20	FeO	1.55
Zn	6.02	ZnO	7.51

Sum	100.0	Sum	100.0


	200 µ m

This is a reflected light micrograph of polished, carbon coated rhodonite crystals. The identifying etched label, which is a feature of our standards, is invaluable for navigating in an electron beam instrument. Similar to bustamite, another manganese rich silicate, also in this standard, bustamite has more manganese, thus providing an opportunity for cross checking composition of Ca Mn silicates. The small amount of material used reflects the extreme rarity of high quality rhodonite. The name is from the Greek rhodon - a rose, referring to its color, which can be seen in the mount.

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Cautionary Note

The compositional and other data shown here are intended to convey typical values for this item and do not neccessarily correspond in detail to standard mounts supplied in the past or to be supplied in the future. Items are changed from time to time as stock is exhausted or alternate choices are preferred. These data should, however, give someone contemplating the purchase of an SPI standard a fair indication of what they may expect to receive. Records are kept of all mounts sold so that, should you lose your documentation at some time in the future, we will be happy to replace it at no charge.

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Rhodonite MnSiO3

Rhodonite MnSiO₃