Peretaite mineral data, information about Peretaite, its properties and worldwide locations. ... Can be pink due to encrustations of valentinite. Streak: White. Hardness: 3½ - 4 on Mohs scale. Hardness: VHN 15 =170 - 190 kg/mm 2 - Vickers. Cleavage: Perfect Perfect on {100}. Density: 4.06 g/cm 3 (Calculated) Comment: Measured > 3.8.
Valentinite, Pyrite, San Jose Mine, Oruro City, Cercado Province, Oruro Department, Bolivia, miniature, 3.9 x 2.8 x 1.5 cm, This specimen is stunning for the species, with unusually distinct, well-formed crystals to 1.5 cm arrayed in an (also unusual) radial cluster on minimal matrix., For sale from The Arkenstone, For more details on this piece and others, visit …
Valentinite is uncommon Sb-oxide and this very showy miniature is from a NEW Summer of 2016 find at this famous antimony mine. Pretty orange spherical aggregates, to 6 mm, of lustrous, translucent valentinite blades are aesthetically scattered on the mounded matrix. Excellent material from the new find and locale valued at $400.
Valentinite (beautiful color - 2012 find) Xikuangshan Sb deposit, Lengshuijiang Co., Loudi Prefecture, Hunan, China ... Buy Valentinite mineral specimens on iRocks. Bidding History. Bid Amount Bid Time; $389 07/25/2024 6:37:50 pm (CDT) $388 ...
Valentinite is an antimony oxide mineral with formula Sb 2 O 3. Valentinite crystallizes in the orthorhombic system and typically forms as radiating clusters of euhedral crystals or as fibrous …
The meaning of VALENTINITE is a mineral Sb2O3 consisting of antimony oxide in orthorhombic crystals polymorphous with senarmontite.
The meaning of VALENTINITE is a mineral Sb2O3 consisting of antimony oxide in orthorhombic crystals polymorphous with senarmontite.
Valentinite is one of the most common oxidation minerals in antimony deposits. It is found in the oxidized superficial parts of these deposits, along with its dimorph, senarmontite, stibiconite …
Valentinite on Galena Pribram, Bohemia, Czech Republic Small Cabinet, 6.4 x 5.5 x 3.8 cm Ex. Herb Obodda ... Ikons of the Mineral World showcases over 220 exceptional mineral specimens sourced from prestigious museums and exclusive private collections. This hardcover edition, with its luxurious paper and state-of-the-art printing, is more than ...
Valentinite mineral data, information about Valentinite, its properties and worldwide locations.
Valentinit mineral data, information about Valentinit, its properties and worldwide locations.
General Valentinite Information : Chemical Formula: Sb2O3 : Composition: Molecular Weight = 291.50 gm ... Sb 2 O 3: Environment: Occurs as an oxidation product of various antimony minerals. IMA Status: Valid Species (Pre-IMA) 1845 : Locality: Chalanches, Allemont, Isère, France. Link to MinDat Location Data. Name Origin: Named after the ...
Mineral(s) Valentinite: Sb 2 O 3. Metastibnite: Sb 2 S 3. Stibiconite: Sb 3+ Sb 5+ 2 O 6 (OH) Stibnite: Sb 2 S 3. Locality. Mindat locality: ... " Beautiful valentinite xtls with minor metastibnite in a vug of stibnite partially altered to stibiconite, Maria adit, Kurt district; ...
Valentinite. specimen number: 8661801. location: Lac Nicolet mine, Saints-Martyrs-Canadiens, Arthabaska RCM, Centre-du-Quebec, Quebec, Canada. description: Pale yellowish lustrous crystals to 0.3 cm in size on matrix with minor stibnite. …
Occurrence: An alteration product of antimony-bearing minerals in the oxidized zone of hydrothermal antimony deposits. Stibnite, antimony, stibiconite, cervantite, kermesite, …
Weinrich Minerals. Shop « back to search results Valentinite. specimen number: 1115000. location: San Jose Mine, Oruro, Cercado, Oruro, Bolivia. description: An excellent example for the species, a loose cluster of prismatic crystals without matrix. In …
Valentinite is an antimony oxide mineral with formula Sb 2 O 3.Valentinite crystallizes in the orthorhombic system and typically forms as radiating clusters of euhedral crystals or as fibrous masses. It is colorless to white with occasional shades or tints of yellow and red. It has a Mohs hardness of 2.5 to 3 and a specific gravity of 5.6 to 5.8. Valentinite occurs as a weathering …
Yamamura et al. [60] reported pH-dependent Sb(III) mineral formation in which valentinite was the major phase at pH value of 7 and senarmontite at pH value of 8; however, their investigation was conducted in the absence of bacterial cells. Our growth experiments were conducted in a buffered medium that maintained the pH value at 6.8 ...
Antimony Valentinite. Comments: Beige valentinite crystals with red kermesite in a matrix of gray, massive antimony. ... Brittle - Generally displayed by glasses and most non-metallic minerals. Habit: Massive - Lamellar - Distinctly foliated fine-grained forms. Habit: Massive - Uniformly indistinguishable crystals forming large masses.
Valentinit mineral data, information about Valentinit, its properties and worldwide locations. Mindat relies on your donations to survive click here to help today! ... 4135 (as Valentinite) Long-form identifier: 1:1:18817:3 (as Valentinit) 1:1:4135:1 (as Valentinite) GUID :
Valentinite (beautiful color - 2016 find) Xikuangshan Sb deposit, Lengshuijiang Co., Loudi Prefecture, Hunan Province, China Small Cabinet, 8.3 x 6.2 x 4.6 cm
Valentinite (beautiful color - 2012 find) Xikuangshan Sb deposit, Lengshuijiang Co., Loudi Prefecture, Hunan Province, China Miniature, 3.8 x 2.5 x 1.7 cm
Senarmontite is dimorphous with the mineral valentinite. Both minerals have the exact same chemistry, but they have different structures. Senarmontite is isometric and valentinite is orthorhombic. It is similar to the situation between diamond and graphite. Valentinite is associated with senarmontite as well as stibnite.
Valentinite is a high lustered, often fibrous oxide mineral. It forms sprays of crystals that are usually matted to the host rock in radiating clusters. Its adamantine (gem-like) to pearly luster …
For sheer beauty, these unusual radial balls of acicular valentinite crystals stand out dramatically, regardless of the interesting chemistry. ... acquisition of the Liebetrau Collection. Al and Sue Liebetrau, renowned exhibitors, authors, and contributors to the mineral community, spent nearly 70 years assembling this exceptional worldwide ...
Valentinite (ex Rose and Phillips Collections) San Jose Mine, Oruro City, Cercado Province, Oruro, Bolivia ... For centuries, the San Jose Mine has been producing minerals (mostly Silver for the Spanish which dates as far back as the year 1595 and was mined by the native Incans for several centuries prior). Then in the mid 20th century, this ...
3843 - Valentinite At-A-Glance. Country of Origin. Wolfsburg Germany Photos. 1 / 1. Previous image Next image ︎. 1 / 1. Previous image Next image ︎. Essential Information. Specimen ID. 3843. Mineral Name. Valentinite. Chemical Formula. Sb2O3. Additional Details.
Several of the crystals are quite gemmy when backlit, which is rare for the Valentinite in my experience! The largest crystal measures 7 mm, which is significant as it's very good for this locality and the species in general. A great chance to have a matrix specimen of a very hard to find mineral from one of the most notable localities in Bolivia.
A secondary mineral, as an alteration of stibnite, in antimony deposits : IMA Status: Valid Species (Pre-IMA) 1843 : Locality: ... Much of the matrix is the gray metallic paakkonenite with red crystals of kermesite and minute yellow crystals of valentinite. Location: Cai' ao mine, ...
Valentinite (beautiful color - 2012 find) Xikuangshan Sb deposit, Lengshuijiang Co., Loudi Prefecture, Hunan Province, China Miniature, 4.7 x 3.7 x 1.9 cm