( Fr- rhodonite; Ger- Rhodonit; Nor- rhodonitt; Rus- )
B. Rhodonite pyramid (height - ca. 5 cm). (© photo courtesy www.wehug.com)
C. Rhodonite. Egyptian Collar consisting of 13 pieces of rhodonite (length of individual pieces -1.2 to 2.8 cm; widest part of collar - 4.8 cm). (© photo by Dave Braun, permission firstname.lastname@example.org)
USES: Gemstones, carvings, buttons and other ornaments.
OCCURRENCES: In and near manganese-rich ore masses.
NOTEWORTHY LOCALITIES: Sverdlovsk district in the Ural Mountains, Russia; Tamworth, New South Wales, Australia; near the hematite mines of Congonhas area, Minas Gerais, Brazil; on Salt Spring Island in the Strait of Georgia, east of Duncan, Vancouver Island, British Columbia; near Rosemond, Kern County and Happy Camp, Siskiyou County, California; south of Silverton, San Juan County, Colorado; near Plainfield, Hampshire County, Massachusetts. Shigley et al. (2000) tabulate localities and pertinent references for localities from which rhodonite was recovered during the 1990s.
REMARKS: The name rhodonite comes from the
Greek ῥόδον (rose), in reference to its color.
The pink hues of the
pieces shown as Figures A and B are, I suspect, natural; those of
the necklace (Fig.
C) are probably also natural; those of the bear carving
(Fig. D) appear likely
to represent some color enhancement, which, if true, may
not extend very far inward from the surface. These descriptions
are not, however, known to obtain -- they are based only on
my familiarity with rhodonite and the color hues exhibited by the
photographs! Along this line, on the basis of my review of
score of photographs of rhodonite pieces displayed on internet
web sites, I suspect
that many of the depicted pieces have had their rose-colored hues
As well as its use as gemrock rough, rhodonite has been used for some rather large sculptures and other items -- e.g., Spencer (1971) records a block cut at Ekaterinburg in the Urals as weighing 47 tons and a large block (the same one?) was used to fashion the sarcophagus for Alexander II of Russia. In addition, it is noteworthy that macrocrystalline rhodonite -- i.e., gem-mineral rhodonite -- has found use as a gemstone.
Gemrock rhodonite was recorded from the Berkshire Hills of western Massachusetts as early as 1825. In describing rhodonite from Cummington, Hampshire County, Massachusetts, Kunz (1891, p.152-153) wrote: "Blocks were taken out weighing some hundreds of pounds each, having a rich pink and red color ... were equal in quality and beauty to the Russian rhodonite, which is made into vases and also table-tops and mantels."
There was a time in the 1950s when pink and black
were so-to-speak fad colors, especially for men -- e.g.,
wore pink shirts, black ties, etc. At that time,
rhodonite, with its pink and black colors, was popular for
such things as tiepins and large cuff-links.
Astorite in Appendix A.
Garnet (i.e., massive grossular) -- "Red
grossularite, especially when it contains black inclusions, makes a
fairly good substitute for rhodonite." (Kemp, 1963). - [Visual
examination usually suffices -- e.g., grossular has higher
Massive varieties of several minerals resemble massive rhodonite -- e.g., bustamite, marsturite, nambulite, natronambulite and pyroxmangite. Indeed, some of the material called rhodonite, including that utilized as rough for gemstones and ornamental pieces, may very well consist in part or wholly of one or more of these minerals. - [usually requires non-macroscopic means].
Reconstructed rhodonite -- apparently produced, but to date, I have been unable to verify this. - [Appearance would likely suffice.].
REFERENCES: No general reference. Dunn, 1976.
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Last update: 11 May 2013
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