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7 specimens listed
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Datolite on Prehnite with Calcite
stock #22.1-663
Lane Quarry, Westfield, Hampden Co.
Massachusetts, United States
4.9 x 3.7 x 2.1 CM (miniature)
price: $440
Fall 22

Colorful Northeastern USA classic specimen. From the Lane Quarry (Massachusetts) this is a bright apple -green Prehnite base featuring a sharp, lustrous white Datolite and bright orange Calcites. This Basalt quarry was at one time famed as the source of the world's best Babingtonites, and some of the best Datolites as well. Since then, the Chinese Babingtonites and Russian Datolites have taken those crowns. However colorful combinations like this are unusual and unlike specimens from other world localities. The center is in excellent condition, only minor outer edge roughness is noted.

Datolite with Quartz
stock #20.1-591
Dalnegorsk, Kavalerovo Mining District
Primorsky Kray, Russia
9.2 x 6.1 x 2.8 CM (cabinet)
price: $70
new year 2021

Flattened habit Datolite crystals with green and yellow colors are sprinkled with Quartz crystals. The back and edges are contacted but main face is clean and very lustrous. An affordable example of a colorful Datolite from Dalnegorsk.

Datolite (color change) and Heulandite
stock #8.1-208
Prospect Park Quarry, Prospect Park, Passaic County
New Jersey, United States
5.1 x 3.2 x 2.8 CM (small cabinet/ large miniature)
price: $250
Spring 2020

Datolite with a strong color change from artificial to daylight, the color goes from a dark olive-green to a yellow-grey. From a remarkable pocket at the classic Prospect Park Quarry locality in 2008, there were not many pieces found. This has contrasting Huelandites with a warm brown color and shows the uncommon color change phenomenon very well. The Datolite is transparent with many faces being very glassy. There is contacting and bruising that can be hidden fairly well by display angle, so not for perfectionists. Overall the condition is equal to the best I have seen from this find, and a cute Northeastern USA oddity.

Datolite, Sphalerite and Cumberland habit Quartz
stock #20.FC-135
Dalnegorsk, Kavalerovo Mining District
Primorsky Kray, Russia
7.8 x 4.2 x 4.1 CM (cabinet)
price: $1100

Gem clear Datolite crystals up to 2.3 CM are complexly mingled with doubly terminated "Cumberland habit" Quartz and clusters of very sharp twinned Sphalerites. It is possible to see greenish inclusions inside some Datolites. This is a rich, undamaged multi-specie specimen from Dalnegorsk, that is especially fine in person. The more this piece is examined the more remarkable details are seen. There are many good Dalnegorsk specimens available in all price ranges, this is especially fine and well worth the cost for a superior specimen.

stock #15.1-413
Verhniy mine, Dalngorsk
Primorsky Kray, Russia
6.5 x 6.3 x 4.4 CM (cabinet)
price: $330
Post Tucson 2015

An attractive, fine specimen of older Dalngorsk Datolites. Transparent lustrous crystals with orange-brown phantoms in greenish prisms cover the matrix in an esthetic arrangement. Individual crystals are up to 2.9 CM, this sort of Datolite was rare when first found, and has not been available for several year.

stock #AX-29-059
San Luis Potosi, Mexico
6.4 x 6 x 3 CM (cabinet)
price: $275
pre Tucson 2015 update

Great color and luster, this is a Datolite from Mexico that looks much more like a good Russian specimen. From a small find in late 2013, this has the form, clarity and quality of the top few percent. Some edge chipping/contacts is inevitable but overall in very good condition.

Datolite on Prehnite (optical grade gem crystals)
stock #13.1-109-(JY)
Lane Quarry, Westfield, Hampden Co.
Massachusetts, United States
10.6 x 6.7 CM (cabinet)
price: $725
Tucson group

Impressive and a Northeastern US classic! Sharp, clear and bright gemmy Datolites up to 2.4 CM with selective faces colored a nice cognac hue sit on a contrasting green Prehnite. As esthetic as you can find, the main crystals are in perfect condition but non detracting damage is noted on a few smaller crystals and at the edges. Despite this it displays very well and is a striking specimen from this old locale.