A specimen from this locality was used in Miyawaki, R., Nakai, I. & Nagashima, K. (1984) A refinement of the structure of gadolinite. American Mineralogist, 69. Dark green to black gadolinite. Width of view 17.25mm....
Colourless to white massive material, partially fluorescent pink under longwave UV (likely calcite as it bubbles readily in vinegar – see last photo). 23x17x8mm. Stack of 45 images (white light) and 21 (UV). Click on...
5809 Berthierite, Quartz, Nakase mine (Nakaze mine), Sekinomiya-machi, Yabu City, Hyogo Prefecture, Japan
Long thin prismatic metallic crystals with quartz crystals. Width of view 5.75mm. Stack of 70 images. Click on the image below for a higher resolution version.
ncat ER5 Andesine, Iwo Jima (Iou-to), Volcano Islands, Ogasawara Subprefecture, Tokyo Metropolis, Japan
Ex Andrew Hodgson. Ex Minerals Unlimited.
ncat ER5 Pyrosmalite-(Mn), Kyurasawa mine (Kyuurasawa; Kyurazawa), Ashio, Nikko City, Tochigi Prefecture, Japan
A pale brown crystalline mass of this fairly rare silicate without matrix. Obtained by Andrew Hodgson from Richard Tayler Minerals in July 1987.
Obvious pinkish massive and small veins in 1.5cm. Type Locality.
ncat ER5 Frohbergite, Tellurite, Kobetsuzawa mine (Obetsuzawa mine), Nishi-ku, Sapporo City, Ishikari Subprefecture, Hokkaidō Prefecture, Japan
Silvery-grey inclusions of frohbergite in fine-grained matrix, with attractive glassy yellow crystals of tellurite.
Location in Japanese 大分県 南海部郡 藤河内
Location in Japanese 栃木県塩谷郡塩谷町天上沢鉱山
Blue crystals and crusts. There are some nice small crystals towards the top right of the photo. Width of specimen 12mm. Stack of 85 images. Location in Japanese 滋賀県湖南市石部町灰山 Click on the image below for...
ncat AA5 Muscovite after Cordierite-Indialite intergrowth, Kameoka City, Kyoto Prefecture, Honshu Island, Japan
Sakura in bloom,A fleeting moment of joy,A petal’s gentle kiss. Sakura Ishi – Cherry Blossom Stone. Muscovite mica pseudomorphs of complex cordierite-indialite intergrowths. Width 3mm. Stack of 50 images. Click on the image below for...
Wairakite is one of the rarer zeolite species. It’s typically found around hot springs and forms white dodecahedral crystals similar to analcime. In this case, the white wairakite is completely replacing the elongated, stick-like crystals...
One tiny micro in rhodonite. Type Locality.
Tiny thin beige veins in matrix. Type Locality.
Two small grains in matrix.
Purplish crystal of henmilite on white olshanskyite. Type Locality for henmilite. Ex Hiromi Yamasaki. Width of view 11.5mm. Stack of 55 images. Click on the image below for a higher resolution version.
Brown triangular shaped crystal embedded in matrix. 30x25x25mm. Ex Richard Tayler. Click on the image below for a higher resolution version.
Thin white pearly cleavages on matrix, fairly sparse. 3.5×2.5cm. OW109.
Type Locality. Microscopic green spots on pink rhodonite.
Type Locality. Yellowish-green spots in aegirine syenite.
Yellow patches in matrix. Ōmi is noted as the Type Locality but it is not clear exactly where. Probably Ōmi River rather than this locality.
5742 Parasibirskite, Olshanskyite, Fuka mine, Fuka, Bitchū, Takahashi City, Okayama Prefecture, Japan
Type Locality for parasibirskite. C. Loranth photo.
Type Locality C. Loranth photo.
Type Locality for both species. C. Loranth photo.
Cobaltoan lithiophorite cementing conglomerate from Seto City, Aichi Prefecture, Japan, formerly from the Arthur. L. Flagg (1883-1961) collection, catalogued as asbolite” with inventory number 3990 (black painted number & glued fabric strip). The two other...
7115 Jacobsite (Iwakiite), Gozaisho mine, Iwaki, Fukushima Prefecture, Tohoku Region, Honshu Island, Japan
Previously iwakiite. Now redefined as jacobsite-Q, a polymorph of jacobsite. Type Locality. ex Joan Lamond Collection.
4605 Yoshimuraite, Taguchi mine, Shidara-cho, Kita-Shidara-gun, Aichi Prefecture, Chubu Region, Honshu Island, Japan
Tiny orange crystals embedded in matrix.
Jim Ferraiolo 6/2005
Nice Japan Law twin. See http://www.irocks.com/minerals/specimen/1471. Ex Marylin Dodge Collection.
Previously iwakiite. Now redefined as jacobsite-Q, a polymorph of jacobsite. Hiromi Yamasaki.
5488 Mangano-ferri-eckermannite, Tanohata mine, Tanohata, Shimohei District, Iwate Prefecture, Japan
Hiromi Yamasaki. Formerly kôzulite.
JL0427. Ex Museum Vic
Thumbnail group of three interlocking crystals, previously in the Brian Shelton collection. Acquired from Cyril Kovac at the 2013 Waverley Show.
About 20 1mm gem blue zoned sapphires from a placer deposit.
0452 Muscovite, Cordierite, Indialite, Daimonjiyama, Kyoto City, Kyoto Prefecture, Kinki Region, Honshu Island, Japan
Acquired by Jake Slago from Alfredo Petrov at the 2013 Tucson Show. Rocks and Minerals magazine Jul-Aug 2006: The third sentence in this nine page article reads: As with the real blossoms, these stones, known...