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Raite With Rhabdophane-(Ce) On Gmelinite-Na


Raite With Rhabdophane-(Ce) On Gmelinite-Na

Analyzed find
Rare Mineral

Description Tabs

Poudrette Quarry, Mont Saint-Hilaire, Québec, Canada
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
2 × 2 × 2 cm

This specimen features several good sprays of raite along with gmelinite-Na of a very unusual (for MSH) prismatic habit.

The raite from this find (ca 2003) has varying colors and habits. Extensive analysis at the ROM showed that all the varieties are raite, although there is significant Zn enrichment.  Recent qualitative EDS for another specimen also indicates Zn enriched raite.

The prismatic gmelinite-Na was verified via thorough analysis at the CMN. Qualitative EDS for a sample from this specimen is also consistent with gmelinite-Na, however, in this case, there is a coating of rhabdophane-(Ce) (or perhaps monazite-(Ce)). See the “Analysis” tab for all scans.

In addition, while, this is not a sérandite specimen, there is a fair amount of it on one side, as can be seen in the full-view photo. There are also masses of interesting bi-colored “eudialyte”, some of which is altering and has raite growing in seams and fissures. Qualitative EDS shows the presence of some REE elements. The analyst suggested kentbrooksite, but I don’t think that the scan is really convincing. (In general, qualitative EDS isn’t sufficient for definitive ID of eudialyte group minerals, but sometimes it can be very suggestive. Not in this case.)

The first pair of photos (FOV 2.25 x 3.25 mm) shows the best raite aggregate. Some of the sprays are growing out of a deep purple masses which turn out to be very compact fibrous raite as well. (I have included a scan for a sample of this sort of material from another specimen.)

The second pair of photos (FOV 3.45 x  2.5 mm) shows more raite (to 0.75 mm) in this case apparently nucleated on “eudialyte”.

The third pair of photos (FOV 6.7 x 3.6 mm) shows yet more raite.

The fourth pair of photos (FOV 1.3 x 1.95 m) shows the rhabdophane encrusted gmelinite crystals  (to 0.55 mm). This is a very rare habit at MSH. 

The last close-up photo (FOV 6.95 x 4.5 mm) shows some of the bi-colored, altering, “eudyalite”.

Single item shipping weight (w TN case) is 3.3 oz (94 g). For shipments outside the USA, up to a total weight < 8 oz (225g), this can be combined with items from this or other auctions for the same postage.

Within the USA, postage now varies by destination. For total weights up to 13 oz, it ranges from $4.50 to $7.00 (including packing etc). Above 13 oz (up to 16 oz), I will use “own box” Priority Mail. The rate, including packing, varies from $8 to $10.

Mineral Data
What's on the rock


3.0 - 0.0
Type Locality: 
Yubileinaya pegmatite (Yubileinoye; Jubilejnaja), Karnasurt Mt, Lovozero Massif, Kola Peninsula, Murmanskaja Oblast', Northern Region, Russia...


Crystal System: 
Type Locality: 
Fowey Consols (incl. Wheal Treasure; Wheal Fortune; Wheal Chance), Tywardreath, St Austell District, Cornwall, England, UK


Crystal System: 
Type Locality: 
Nero Mt., San Pietro, Montecchio Maggiore, Vicenza Province, Veneto, Italy
Analysis Report - only: Raite With Rhabdophane-(Ce) On Gmelinite-Na
Analysis Report - only: Raite With Rhabdophane-(Ce) On Gmelinite-Na
Analysis Report - only: Raite With Rhabdophane-(Ce) On Gmelinite-Na
Analysis Report - only: Raite With Rhabdophane-(Ce) On Gmelinite-Na
Not Sold

Seller Information

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Seller's terms and conditions

In addition to the standard terms and conditions, please note the following. Almost all IDs are visual. While in most cases the ID is obvious, there may be cases where it is not. If you are doubtful about a particular ID, please ask for more information. Or do not bid! Similarly, if you are not sure that the specimen meets your criteria, do not bid. I have tdone the best I can with the photos. Nevertheless, if you are not happy with a specimen for any reason, I will refund the bid price – but not the shipping costs (unless the fault is clearly mine) – if the specimen is returned. This policy applies even if analysis of the specimen shows that my ID was incorrect. When in doubt, ask - or don’t bid. Note that most crystals at MSH and Varennes are micros - even if on large specimens. Please pay attention to the stated sizes. Any customs duties, fees etc. are the responsibility of the buyer.

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