29:
491:. In zoned granitic pegmatites, it usually occurs as an alteration product of primary phosphates. This makes it a secondary phosphate. It may be replacing shells and bones, and can occur in the soil as a component of it as well. However, the latter is rarer.
431:. Four other rare color variants are rose red, brown-reddish yellow, mossy green, and dark shades of purple. Phosphosiderite can also be found as a colorless mineral. It is
419:
shape for jewelry, and used as an ornamental stone. It mainly consists of oxygen (51.38%), iron (29.89%) and phosphorus (16.58%), but contains hydrogen (2.16%) as well.
379:. The siderite at the end of phosphosiderite comes from the word "sideros", the Greek word for iron. It was published in 1890, and has been a valid species since pre-
380:
427:
Phosphosiderite is often found in a bright orchid-purple tint with yellow-colored streaks. The vein-like streaks found in the stone are known as
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383:. It is an IMA approved mineral which got grandfathered, meaning its name is still believed to refer to an existing species.
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435:; on the X axis around 4° it is light rose, on the Y axis it is carmine red, and on Z it is colorless.
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group, and probably forms a complete series with metavariscite. It is the dimorph of
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Totally soluble in hydrochloric acid, nearly insoluble in nitric acid
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Usually red to pink to purple, sometimes green, usually yellow veined
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189:Common on {101}, typically as interpenetration
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467:. It occurs in association with strengite,
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272:2.74 – 2.76 measured, 2.76 calculated
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510:"IMA–CNMNC approved mineral symbols"
391:Phosphosiderite is a member of the
33:Red phosphosiderite between violet
14:
179:Tabular {010} or stout prismatic
592:"Phosphosiderite – Encyclopedia"
199:{010} Distinct, {001} Indistinct
371:named for its main components,
634:"Phosphosiderite Mineral Data"
596:www.le-comptoir-geologique.com
336:Measured: 62°, Calculated: 62°
1:
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720:Minerals in space group 14
439:Occurrences and localities
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407:and nearly insoluble in
252:Transparent, translucent
695:Handbook of Mineralogy
514:Mineralogical Magazine
37:. Picture width 4 mm.
715:Monoclinic minerals
535:10.1180/mgm.2021.43
526:2021MinM...85..291W
508:Warr, L.N. (2021).
443:Phosphosiderite is
638:www.webmineral.com
277:Optical properties
52:Phosphate minerals
688:"Phosphosiderite"
661:"Phosphosiderite"
616:"Phosphosiderite"
561:"Phosphosiderite"
447:in some parts of
405:Hydrochloric acid
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16:Phosphate mineral
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622:. 18 March 2017.
620:National Gem Lab
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411:. It is usually
399:. It is totally
286:Refractive index
258:Specific gravity
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63:(repeating unit)
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365:Phosphosiderite
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22:Phosphosiderite
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665:www.mindat.org
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565:www.mindat.org
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520:(3): 291–320.
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477:leucophosphite
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151:Identification
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100:Crystal system
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465:United States
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393:metavariscite
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312:Birefringence
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175:Crystal habit
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112:Crystal class
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668:. Retrieved
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641:. Retrieved
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599:. Retrieved
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568:. Retrieved
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364:
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346:Very strong
157:Formula mass
129:
117:
116:Prismatic 2/
485:barbosalite
409:nitric acid
322:Pleochroism
280:Biaxial (−)
248:Diaphaneity
125:Space group
709:Categories
670:2021-03-05
643:2022-10-21
601:2022-10-21
570:2022-10-21
495:References
481:huréaulite
473:triphylite
463:, and the
433:pleochroic
429:cacoxenite
387:Properties
367:is a rare
354:Solubility
342:Dispersion
215:Mohs scale
105:Monoclinic
90:IMA symbol
544:235729616
469:turquoise
453:Argentina
397:strengite
373:phosphate
262:2.74–2.76
146:454.76 ų
142:Unit cell
74:phosphate
35:strengite
461:Portugal
417:cabochon
348:r > v
332:2V angle
300:= 1.725
294:= 1.692
232:Vitreous
218:hardness
205:Fracture
195:Cleavage
185:Twinning
136:(no. 14)
68:Hydrated
48:Category
522:Bibcode
489:laueite
457:Germany
415:into a
401:soluble
369:mineral
326:Visible
306:= 1.738
268:Density
59:Formula
43:General
542:
423:Colors
238:Streak
228:Luster
209:Uneven
161:186.85
691:(PDF)
540:S2CID
449:Chile
445:mined
316:0.046
242:White
222:3.5–4
166:Color
487:and
377:iron
375:and
94:Phsd
76:FePO
71:iron
530:doi
413:cut
403:in
381:IMA
80:·2H
711::
693:.
679:^
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579:^
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518:85
516:.
512:.
483:,
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459:,
455:,
451:,
134:/n
130:P2
697:.
673:.
646:.
604:.
573:.
546:.
532::
524::
304:γ
302:n
298:β
296:n
292:α
290:n
132:1
118:m
84:O
82:2
78:4
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