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French Medieval Glass Composition

Source: R/chemical.R
verre.Rd

Chemical analysis (electron probe X-ray micro analysis) of 398 medieval glass vessels found in France.

Usage

verre

Format

A data.frame with 17 variables:

Site

CNL: Cour Napoléon, Louvre; ORL: Orléans; POI: Poitiers; ANG: Angers; OMO: Omonville, Seine Maritime; ROU: Rouen; MEA: Meaux; CHL: Châlons-sur-Marne; PAI: Pairu (Argonne, Ardennes); BER: Bercettes (Argonne, Ardennes); BIN: Binois (Argonne, Ardennes); CHE: Chevrie (Argonne, Ardennes); MIT: Mitte (Argonne, Ardennes); MET: Metz; CHM: Chambaran.

Sample

Sample code.

Type

Typology.

Age

Century.

Periode

I: 9th-12th century; II: 13th-first half of the 15th century; III: end of the 15th to end of the 16th century; IV: end of 16th to end of the 17th century.

Tint

B: blue; CL: colourless; CLg colourless (greyish tint); PB: pale blue; PGE: pale greenish; PGE-B: pale green-blue or blue-green; PGY-B: pale grey-blue; R: opaque red; W: opaque white; *av: added aventurine spots; *bl: added thread blue or blue spots; *r: added thread opaque red or opaque red spots; *w: added thread opaque white.

Na2O

Na2O content (percent).

CaO

CaO content (percent).

K2O

K2O content (percent).

MgO

MgO content (percent).

P2O5

P2O5 content (percent).

SiO2

SiO2 content (percent).

Al2O3

Al2O3 content (percent).

FeO

FeO content (percent).

MnO

MnO content (percent).

Cl

Cl content (percent).

Reference

Site reference.

References

Barrera J., Velde B. (1989). A study of french medieval glass composition. Archéologie médiévale, 19, 81-130. doi:10.3406/arcme.1989.953 .

See also

Other chemical data: kommos

Examples

plot(
  x = verre$Na2O,
  y = verre$CaO / (verre$CaO + verre$K2O),
  type = "p",
  xlab = expression("Na"[2]*"O (%)"),
  ylab = expression("CaO"/"(CaO"+"K"[2]*"O)")
)